| TEST 21 | STUDENT ID: | NAME: |
| Reduce if necessary. | ||
| 1) 1/8 + 6/8 = | 2) 1/8 + 3/8 = | 3) 5/6 + 1/6 = |
| 4) 9/10 - 1/10 = | 5) 3/4 - 1/4 = | 6) 12/14 - 2/14 = |
| 7) 12/14 - 3/14 = | 8) 10/12 - 3/12 = | 9) 10/12 - 2/12 = |
| 10) What is the LCM of 5 and 8? | 11) What is the LCM of 5 and 8? | 12) 1/7 + 2/10 = |
| 13) 2/6 + 3/8 = | 14) 2/6 + 3/5 = | 15) 3/7 + 4/7 = |
| 16) 4/5 - 2/10 = | 17) 5/7 - 1/8 = | 18) 3/5 - 2/7 = |
| 19) 2/5 - 3/8 = | 20) Sue ate 2/9 of a pizza and Sam ate 3/12 of the pizza. How much of the pizza is left? | |