Question

What is 1/4 minus 1/5

Answer 1

`(1)/(4)-(1)/(5)=\ \ \ \ | make\ common\ denominator\ 20\\\\ (5)/(20)-(4)/(20)=(5-4)/(20)=(1)/(20)\\\\ Solution\ is\ (1)/(20).`

Answer 2

`(1)/(4) - (1)/(5)`

First, you have to find a common denominator
The LCM of 4 and 5 is 20


`(5)/(20)- (4)/(20)`

Subtract the numerators

1/20 is the final answer