Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 9 - 13 = _____
- 547 - 121 = _____
- 615 - 5320 = _____
- 4116 - 58 = _____
(a)
9 -
13 = 8
33 -
13 = 8
23 (b)
Make the denominators the same.
5
47 -
121 = 5
4 x 37 x 3 -
121 = 5
1221 -
121 = 5
1121 (c)
Make the denominators the same.
6
15 - 5
320 = 6
1 x 45 x 4 - 5
320 = 6
420 - 5
320 = 1
120 (d)
Make the denominators the same.
4
116 -
58 = 4
116 -
5 x 28 x 2 = 3
1716 -
1016 = 3
716Answer(s): 8
23, 5
1121, 1
120, 3
716