Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 3 - 45 = _____
- 426 - 118 = _____
- 834 - 438 = _____
- 9114 - 67 = _____
(a)
3 -
45 = 2
55 -
45 = 2
15 (b)
Make the denominators the same.
4
26 -
118 = 4
2 x 36 x 3 -
118 = 4
618 -
118 = 4
518 (c)
Make the denominators the same.
8
34 - 4
38 = 8
3 x 24 x 2 - 4
38 = 8
68 - 4
38 = 4
38 (d)
Make the denominators the same.
9
114 -
67 = 9
114 -
6 x 27 x 2 = 8
1514 -
1214 = 8
314Answer(s): 2
15, 4
518, 4
38, 8
314