Question

What number should be subtracted from 5/7 to get 1/21?
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Answer 1

Answer:

x = 2/3

Step-by-step explanation:

first no is 5/7

let second no is x

5/7-x= 1/21

x= 1/21- 5/7

lcm is 21

1/21*1

5/7*3

1/21

15/21

x= 1/21-15/21

x= 1-15/21

x= 14/21

x = 2/3

Answer 2

Answer:

first no is 5/7

let second no is x

5/7-x= 1/21

x= 1/21- 5/7

lcm is 21

1/21*1

5/7*3

1/21

15/21

x= 1/21-15/21

x= 1-15/21

x= 14/21

x = 2/3

hope it helps

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