Question

what number should be added to​

Answer 1

Answer:

let the no. = x

Given no. =5 1/4 =21/4

sum = 7 2/4 = 30/4

ACCORDING TO QUESTION

21/4 + x = 30/4

x = 30/4 -21/4

x = 9/4

9/4 should be added

9/4 is the answer

Step-by-step explanation:

Plz follow me

Answer 2

$\large\mathfrak \pink{Solution:-}$

$\underline \mathbb{TO \: FIND:-}$

The number.

$\underline \mathbb{ASSUMPTION:-}$

Let, the number be x.

$\underline \mathbb{BY \: THE \: PROBLEM:-}$

$x + 5 \frac{1}{4} = 7\frac{2}{4} \\ \\ \implies \: x + \frac{21}{4} = \frac{30}{4} \\ \\ \implies \: x = \frac{30}{4} - \frac{21}{4} \\ \\ \implies \: x = \frac{30 - 21}{4} \\ \\ \implies \: x = \frac{9}{4}$

$\underline \mathbb{ANSWER:-}$

$\implies { \frac{9}{4} }$