Difference between (4)/(5) - (3)/(10) ​

Question

Difference between

`(4)/(5) - (3)/(10)`
​

Answer 1

`\\ \sf\longmapsto (4)/(5)-(3)/(10)`

• Take LCM

`\\ \sf\longmapsto (8-3)/(10)`

`\\ \sf\longmapsto (5)/(10)`

• Cancel by 5

`\\ \sf\longmapsto (1)/(2)`