Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 6 - 45 = _____
- 536 - 112 = _____
- 815 - 1110 = _____
- 9121 - 47 = _____
(a)
6 -
45 = 5
55 -
45 = 5
15 (b)
Make the denominators the same.
5
36 -
112 = 5
3 x 26 x 2 -
112 = 5
612 -
112 = 5
512 (c)
Make the denominators the same.
8
15 - 1
110 = 8
1 x 25 x 2 - 1
110 = 8
210 - 1
110 = 7
110 (d)
Make the denominators the same.
9
121 -
47 = 9
121 -
4 x 37 x 3 = 8
2221 -
1221 = 8
1021Answer(s): 5
15, 5
512, 7
110, 8
1021