Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 3 - 310 = _____
- 349 - 127 = _____
- 915 - 3115 = _____
- 6121 - 67 = _____
(a)
3 -
310 = 2
1010 -
310 = 2
710 (b)
Make the denominators the same.
3
49 -
127 = 3
4 x 39 x 3 -
127 = 3
1227 -
127 = 3
1127 (c)
Make the denominators the same.
9
15 - 3
115 = 9
1 x 35 x 3 - 3
115 = 9
315 - 3
115 = 6
215 (d)
Make the denominators the same.
6
121 -
67 = 6
121 -
6 x 37 x 3 = 5
2221 -
1821 = 5
421Answer(s): 2
710, 3
1127, 6
215, 5
421