Question

which of the following is --not equal to 1 ????

a. 7×1/7
b. 2/7×7/2
c.(-1)×(-1)
D. 2 3/5 × 5/13​

Answer 1

7×1/7=7/7=1

is equal to 1

2/7×7/2=14/14=1/1

it is equal to 1

c is equal to 1

d is not equal to 1

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Answer 2

Answer:

D is not equal to one

Step-by-step explanation:

A) 7 × 1/7 will get cancelled ...

and the same goes for b and c

but for 23/5×5/13 will not get completely cancelled