Question

which of the following pairs are equivalent rational number 7/15 , -28/60 ​

Answer 1

Answer:

A number expressible as a fraction of integers. The formal theory of rational numbers is developed using pairs of integers. One considers ordered pairs (a,b) of integers a and b for which b≠0. Two such pairs, (a,b) and (c,d), are called equivalent (equal) if and only if ad=bc.

Answer 2

Answer is (a)-28/60

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