Q. Mixed Number Sums 
Use paper and pencil to solve the following problems. Write all fractions in lowest terms. Estimate to see if your answers are reasonable.
- 87/10 + 21/10 =
- 25/9 + 3 1/3 =
- 31/12 + 43/8 =
- 55/6 + 2 1/2 =
- 57/10 + 23/5 =