Question

what should be added to 105/15 to get 42/5

Answer 1

Let the no be x

x + 105/15 = 42/5
x = 42/5 - 105/15
= 126 - 105/15
= 21 /15
= 7/5

HOPE IT helps you

Answer 2

Hey mate!!!!

To find what should be added, subtract the given number from the sum.

So number that should be added =
$\frac{42}{5} - \frac{105}{15} \\ = \frac{126}{15} - \frac{105}{15} \\ = \frac{ 21}{15} \\ \\ = \frac{ 7}{5}$
7/5 should be added.

Hope it helps dear friend ☺️✌️✌️✌️