Question

what should be added to 1/2+1/3+1/5 to get 4?​

Answer 1

Explanation:

$let \: x \: should \: be \: added \\ then \: \\ x + \frac{1}{2} + \frac{1}{3} + \frac{1}{5} = 4 \\ x + \frac{31}{30} = 4 \\ x = 4 - \frac{31}{30} \\ x = \frac{89}{30} \\ \\ \\ hope \: it \: will \: help \: you$