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# Fractions

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• i luv fractions there awesome and fun to learn about haha lol follow me on twitter!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!bye talk to yall later bye toodles and don`t forget to follow me haha lol bye

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### Fractions

1. 1. Fractions1/3 – 1/41 / +1 / 3 9 2/4 +/6 4/10 +1/5 1/4 – 1/5 ½ + ¾ 1/4 +2/6 1 / +5/ 7 7 1/ 3 2-2/1/12 +1/7 4/5 +1/7 4/5 +1/6 3/4 +1/5 1/2 +1/9 6/7 +2/7
2. 2. FRACTIONSNumerator Denominator Adding Fractions
3. 3. A FRACTION is anumber thatrepresents a part ofa whole. 1 Whole Cake 4 equal cut pieces of cake equals 1 whole cake. Those parts of the cakes are a FRA CTION of the cake. Home
4. 4. Numerator  The number on the top is called the numerator  It represents the part of the whole number The shaded part Numerator 1 is the numerator Whole number 2 These 2 equal parts make the whole Numerator 2 Whole number 6 NextHome
5. 5. Denominator  The number on the bottom is called the denominator  It represents the whole numberPart of the whole 1 Denominator 2 These 2 equal parts make the DENOMINATOR Numerator 2 Denominator 5 Home
6. 6. Adding Fractions with common denominator Is as simple as adding the 2 top numbers (numerators) together 3 6 9 + = 10 10 10
7. 7. Adding Fractions with different denominators Fractions with different denominators need to be made READY first before they can be added together To get them READY you must find the common denominator COMMON DENOMINATOR can be found by finding the lowest common mulitple (LCM) of the two denominators
8. 8. Finding the lowest common multiple The lowest common multiple of two numbers is the lowest number in Both lists of multiples or the lowest number both can be divided by Multiples of 3 are 3,6,9,12,15,18....... Multiples of 4 are 4,8,12,16,20,24.... 1 1 . So the lowest common multiple is 12 + 3 4
9. 9. You cant add fractions1/3 + 1/4 With different denominators Turn both fractions into twelfths For 3 to become a 12th you need to multiply it by 4 And for 4 to become a 12th you need to multiply it by 31 4 4 1 3 3 x = x =3 4 12 4 3 12
10. 10. Completing the Addition 1/3 = 4/12 AND ¼ = 3/124 3 7 + =12 12 12
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