Question

Which of the following rational numbers is not equivalent to 7 /−4 ? 21 / −20 28 /−16 84 / −48

Answer 1

Answer:

==: 7/-4

==: -7/4 * 4/4

==: -28/16

Option 2 is correct

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Answer 2

Answer:

the answer is- -20/28    7/-4 x 21 / −20 (CROSS MULTIPLICATION)

Step-by-step explanation:

look

7/-4 x -20/28

CROSS MULTIPLICATION

7x-20= -140

-4x21= -84

if you think like

you are wrong  for eg.- 28/-16

7x-16= -112

-4x28= -112

The answer are the same and here you go a full explaination

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