Question

The sum of one fourth and one fifth of a number is 18. It's liner equation will be ___and the number is

Answer 1

Answer:

$\frac{x}{4} + \frac{x}{2} = 18 \\ \\ 40$

Step-by-step explanation:

Let the number be x.

Hence,

According to the question,

$\frac{x}{4} + \frac{x}{5} = 18 \\ = > \frac{5x + 4x}{20} = 18 \\ = > \frac{9x}{20} = 18 \\ = > x = 40$

Regards

Kshitij