Question

Using suitable rearrangement find the sum 4/7+(-4/9)+3/7+(-13/9)

Answer 1

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Answer 2

Step-by-step explanation:

(4/7+3/7)-(4/-13/9)

(4+3/7)-(4+13/9)

7/7-17/9

63-119/63

-56/63=-8/9