Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 9 - 13 = _____
- 229 - 136 = _____
- 623 - 419 = _____
- 2314 - 47 = _____
(a)
9 -
13 = 8
33 -
13 = 8
23 (b)
Make the denominators the same.
2
29 -
136 = 2
2 x 49 x 4 -
136 = 2
836 -
136 = 2
736 (c)
Make the denominators the same.
6
23 - 4
19 = 6
2 x 33 x 3 - 4
19 = 6
69 - 4
19 = 2
59 (d)
Make the denominators the same.
2
314 -
47 = 2
314 -
4 x 27 x 2 = 1
1714 -
814 = 1
914Answer(s): 8
23, 2
736, 2
59, 1
914