Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 8 - 78 = _____
- 429 - 136 = _____
- 834 - 4316 = _____
- 5316 - 58 = _____
(a)
8 -
78 = 7
88 -
78 = 7
18 (b)
Make the denominators the same.
4
29 -
136 = 4
2 x 49 x 4 -
136 = 4
836 -
136 = 4
736 (c)
Make the denominators the same.
8
34 - 4
316 = 8
3 x 44 x 4 - 4
316 = 8
1216 - 4
316 = 4
916 (d)
Make the denominators the same.
5
316 -
58 = 5
316 -
5 x 28 x 2 = 4
1916 -
1016 = 4
916Answer(s): 7
18, 4
736, 4
916, 4
916