Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 25 = _____
- 439 - 136 = _____
- 315 - 2215 = _____
- 8314 - 67 = _____
(a)
5 -
25 = 4
55 -
25 = 4
35 (b)
Make the denominators the same.
4
39 -
136 = 4
3 x 49 x 4 -
136 = 4
1236 -
136 = 4
1136 (c)
Make the denominators the same.
3
15 - 2
215 = 3
1 x 35 x 3 - 2
215 = 3
315 - 2
215 = 1
115 (d)
Make the denominators the same.
8
314 -
67 = 8
314 -
6 x 27 x 2 = 7
1714 -
1214 = 7
514Answer(s): 4
35, 4
1136, 1
115, 7
514