Question

Express 4/-7 as rational number with denominator
1. 84
2. -28​

Answer 1

Answer:

1. 84 =48/-84

2. -28=16/,84

Answer 2

1. 84/-7=-12

(4×-12)/(7×-12)= -48/-84=48/84

2. -28/-7=4

(4×4)/(7×4)= 16/28=-16/-28

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