Solve:
`5/8 + 3/8`
= `((5 + 3))/8`
= `8/8`
= 1
Add:
`3 1/5+2 1/3`
Add: `5 1/2 + 2 3/4`
`2/21 + 3/7`
`2/5 + 1/3`
`2/7 + 1/2`
Add the following fractions
`2/15 + 3/15`
`3/10 + 5/10 + 2/10`
Fill in the missing fraction.
`☐ + 5/27 = 12/27`
`2/3 + 1/7`
`2/3 + 3/4 + 1/2`