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Similar to (Math 6 Q1 Wk 1 L2) - Addition and Subtraction of Dissimilar Fractions PPT.pptx
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(Math 6 Q1 Wk 1 L2) - Addition and Subtraction of Dissimilar Fractions PPT.pptx
- 1. Addition and Subtraction of Dissimilar Fractions MATHEMATICS 6 β Q1 Week 1 (Lesson 2)
- 2. WHATβS IN A. Give the LCD of the following pairs of dissimilar fractions.
- 4. WHATβS IN B. Change the following dissimilar fractions to similar fractions. Write the answer on your paper.
- 6. WHATβS NEW Aling Celo, a dressmaker, is sewing facemasks which she will donate for the frontliners. She has 3 pieces of cloth which measure as follows: π π π, π π π, and π π π. How many meters of cloth does she have in all?
- 7. Answer the following questions: 1.) What is the work of Aling Celo? 2.) What does she sew? 3.) To whom would she donate the facemasks? 4.) What is asked in the problem?
- 9. π π + π π + π π = π΅ The fractions are dissimilar (different denominators).
- 10. π π = π π π = π + π π = π Change the fractions to similar by using the least common denominator (LCD) which is 6.
- 11. π π = π π π = π + π π = π Divide the LCD by the denominator then multiply the quotient by the numerator. π Γ· π ππ = π 3 (π Γ· π) π π = π 4 (π Γ· π) π π = π 4
- 12. π π + π π + π π = ππ π Add the numerators over the common denominators.
- 13. ππ π = π π π Simplify your answer or reduce to lowest term.
- 14. Therefore, Aling Celo has π π π π of cloth.
- 15. Letβs have another example: π π + π π = π΅ The fractions are dissimilar (different denominators).
- 16. π π = ππ + π π = ππ Change the fractions to similar by using the least common denominator (LCD) which is 30.
- 17. π π = ππ + π π = ππ Divide the LCD by the denominator then multiply the quotient by the numerator. (ππ Γ· π) π π = ππ 18 (ππ Γ· π) π π = π 5
- 18. π π = ππ ππ + π π = π ππ ππ ππ Add the numerators over the common denominators.
- 19. You could also find the difference of two dissimilar fraction following the same steps. π π β π π = π΅ The fractions are dissimilar (different denominators).
- 20. π π = π β π π = π Change the fractions to similar by using the least common denominator (LCD) which is 9.
- 21. π π = π β π π = π Divide the LCD by the denominator then multiply the quotient by the numerator. (π Γ· π) π π = π 7 (π Γ· π) π π = π 6
- 23. You could subtract mixed fractions with unlike denominators following the same steps. ππ π π β π π π = π΅ The fractions are dissimilar (different denominators).
- 24. ππ π π = ππ ππ β π π π = π ππ The LCD of 3 and 5 is 15.
- 25. ππ π π = ππ ππ β π π π = π ππ Divide the LCD by the denominator then multiply the quotient by the numerator. (ππ Γ· π) π π = ππ (ππ Γ· π) π π = π 10 6
- 26. ππ π π = ππ ππ ππ β π π π = π π ππ π π ππ Subtract the fractional part then, the whole number.
- 27. More Examples π π π β π π = π΅ The fractions are dissimilar (different denominators).
- 28. π π π = π π β π π = π The LCD of 2 and 4 is 4.
- 29. π π π = π π β π π = π Divide the LCD by the denominator then multiply the quotient by the numerator. (π Γ· π) π π = π (π Γ· π) π π = π 2 3
- 30. Since π π < π π , we cannot subtract π π π = π + π π + π π = π π π Therefore, you have to regroup 1 or π π from 2. β π π You can now subtract the fractional part, then whole number. 1 π π
- 31. WHATβS MORE Direction Add or subtract. Choose the letter of the correct answer inside the box to discover the word formed.
- 32. 1 π π + π π π = A. π π π O. ππ π ππ C. π T. ππ ππ ππ N. π ππ ππ U. π π π
- 33. 2 π π π + ππ π π = A. π π π O. ππ π ππ C. π T. ππ ππ ππ N. π ππ ππ U. π π π
- 34. 3 π π π β π π = A. π π π O. ππ π ππ C. π T. ππ ππ ππ N. π ππ ππ U. π π π
- 35. 4 π π π β π π π = A. π π π O. ππ π ππ C. π T. ππ ππ ππ N. π ππ ππ U. π π π
- 36. 5 ππ π ππ β π π π = A. π π π O. ππ π ππ C. π T. ππ ππ ππ N. π ππ ππ U. π π π
- 37. ANSWERS
- 38. 1 π π + π π π = A. π π π O. ππ π ππ C. π T. ππ ππ ππ N. π ππ ππ U. π π π
- 39. 2 π π π + ππ π π = A. π π π O. ππ π ππ C. π T. ππ ππ ππ N. π ππ ππ U. π π π
- 40. 3 π π π β π π = A. π π π O. ππ π ππ C. π T. ππ ππ ππ N. π ππ ππ U. π π π
- 41. 4 π π π β π π π = A. π π π O. ππ π ππ C. π T. ππ ππ ππ N. π ππ ππ U. π π π
- 42. 5 ππ π ππ β π π π = A. π π π O. ππ π ππ C. π T. ππ ππ ππ N. π ππ ππ U. π π π
- 43. WHATβS MORE Direction Perform the indicated operation. Reduce your answer to lowest term.
- 44. π. ) π π π + π ππ = π. ) π π π + π ππ + π π π =
- 45. π. ) π π β π ππ = π. ) ππ π π β ππ π π =
- 46. π. ) ππ π π β ππ π π =
- 47. ANSWERS
- 48. π. ) π π π + π ππ = π. ) π π π + π ππ + π π π = π π π ππ π π
- 49. π. ) π π β π ππ = π. ) ππ π π β ππ π π = π π ππ π ππ
- 50. π. ) ππ π π β ππ π π = ππ ππ ππ
- 51. WHAT I CAN DO Direction Find the total.
- 52. π. ) π π π + π π π = π. ) π π + π π =
- 53. π. ) π π + π π + π ππ = π. ) ππ π π β π π π =
- 54. π. ) π ππ + π π ππ + π π π =
- 55. ANSWERS
- 56. π. ) π π π + π π π = π. ) π π + π π = π ππ π π
- 57. π. ) π π + π π + π ππ = π. ) ππ π π β π π π = ππ π π ππ π π
- 58. π. ) π ππ + π π ππ + π π π = ππ π π
- 59. ASSESSMENT Direction Perform the indicated operation.
- 61. π. ) π π + π π + π ππ = π. ) π π π β π π π =
- 62. π. ) ππ π ππ β π π π =
- 63. ANSWERS
- 65. π. ) π π + π π + π ππ = π. ) π π π β π π π = π ππ ππ π ππ ππ
- 66. π. ) ππ π ππ β π π π = ππ π ππ
- 67. ADDITIONAL ACTIVITY Direction Fill-in the blanks to complete the steps on How to Add and Subtract Dissimilar Fractions and Mixed Fractions.
- 68. 1 To add and subtract dissimilar fractions, find the ____________________ to make them similar. Divide LCD by the ____________________ then multiply the quotient by the ____________________. Continue the process using the steps in adding and subtracting similar fractions.
- 69. 2 To add and subtract mixed fractions with dissimilar fractions, rewrite the ____________________ parts to similar fractions using the ____________________. Regroup the similar fractions if necessary, then perform the indicated operation. Write the answer in ____________________ terms, if possible.