Question

What number should be added to -5/8 to get -3/2?
class 8​

Answer 1

Answer:

-7/8

Step-by-step explanation:

Let the number be x

So, -5/8+x=-3/2

or, x=-3/2+5/8

or, x=(-12+5)/8

or, x=-7/8

Hence, the required number is -7/8.

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Answer 2

Let the required number be x

x + (-5/7) = (-2/3) x = (-2/3) – (-5/7) x = (-2/3) + (5/7) LCM of 3 and 7 is 21

Consider (-2/3) = (-2/3) × (7/7) = (-14/21)

Again (5/7) = (5/7) × (3/3) = (15/21)

On substituting

x = (-14/21) + (15/21) x = (-14 + 15)/21 x = (1/21)