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