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# OPERATIONS WITH FRACTIONS

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### Transcript of "OPERATIONS WITH FRACTIONS"

1. 1. Fractions With Like Denominators Lesson 4-2
2. 2. TerminologyLike decimals, fractions represent parts of numbers. Afraction is usually a number that is between 0 and 1. Numerator - number on top Denominator - number on bottom
3. 3. To add or subtract fractions with like denominators:• If the denominators are already the same, then you’re ready to add or subtract.• Add or subtract the numerators. Keep the denominators the same.• Simplify (reduce) the fraction, if possible.• If you end up with an improper fraction, change it to a mixed number.
4. 4. Examples1 2 3 + =5 5 5 This answer cannot be reduced any further.
5. 5. 9 5 = 4 ÷2= 214 14 14 7The GCF of 4 and 14 is 2, so we divide by 2 toreduce.
6. 6. 8 3 11 + 9 = 9 9This is an improper fraction (the top is bigger than thebottom), so we want to change it to a mixed number.To do this, divide the bottom into the top. 1 Answer: 9 11 1 2 9 9 2
7. 7. Try Some 7 5 1 = 612 124 1 = 5 + 77 7 8 + 12 =15 15 1 1 3
8. 8. Homework Time!
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