Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 34 = _____
- 537 - 128 = _____
- 315 - 2115 = _____
- 8121 - 47 = _____
(a)
5 -
34 = 4
44 -
34 = 4
14 (b)
Make the denominators the same.
5
37 -
128 = 5
3 x 47 x 4 -
128 = 5
1228 -
128 = 5
1128 (c)
Make the denominators the same.
3
15 - 2
115 = 3
1 x 35 x 3 - 2
115 = 3
315 - 2
115 = 1
215 (d)
Make the denominators the same.
8
121 -
47 = 8
121 -
4 x 37 x 3 = 7
2221 -
1221 = 7
1021Answer(s): 4
14, 5
1128, 1
215, 7
1021