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1/5-2/7+3/5

 Dec 26, 2020
 #2
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0

Find common denominator

5 * 7 = 35

 

1/5 =   7/35

- 2/7 = -10/35

3/5 = 21/35

(7-10+21)/35 = 18/35

 Dec 26, 2020

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