Add:
`1/5 + 3/5`
= `(1 + 3)/5`
= `4/5`
Subtract:
`3/4 - 1/2`
`3/9 + 3/5`
`3 1/2` can be written as `3 + 1/2`
Simplify : `1 3/5 + 5 4/7`
Add the fractions `3/8` and `2/3`.
Add the fractions `3/8` and `6 3/4`.
Solve:
`1/18 + 1/18`
`2/5 + 1/6`
`2/3 + 3/4 + 1/2`
`4 2/3 + 3 1/4`