Question

please do this question

Answer 1

Let HCF = x and LCM = 84x

since x+84x = 680

85x=680

x = 680/85 = 8

Therefore, HCF = 8 and LCM = 8x84

Since the product of two numbers = LCMxHCF

Let the other number be y.

8x8x84 = 56xy

y=8x8x84/56

y=96

Therefore the other number is 96.

Hope this helps you out.