Question

Q-3 The
Sum of
two numbers is 7 by 20
if one of them is 1 by 4 find the other​

Answer 1

answer = 2 by 20

Step-by-step explanation:

x + 1/4 = 7/20

x = 7/20 - 1/4

x = 7/20 - 1×5/4×5

x = 7/20 - 5/20

x = 2/20

Answer 2

Answer:

2 by 5

Step-by-step explanation:

let us take x as the second number

.: 1 by 4 - 7 by 20 =x

.: multiplying 1 by 4 to 5 to make denominater

of 1 by 4 equal to that of 7 by 20

i.e. 1\4 × 5=5/20

next as we have two like fractions you would have learn subtraction of two like fractions

the like fractions are 5 by 20 and 7 by 20

by subtraction we get 2 by 20 this is the final answer

therefore the second number is 2 by 20

hope this will help you in your maths

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