Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 7 - 35 = _____
- 439 - 118 = _____
- 823 - 5312 = _____
- 7114 - 57 = _____
(a)
7 -
35 = 6
55 -
35 = 6
25 (b)
Make the denominators the same.
4
39 -
118 = 4
3 x 29 x 2 -
118 = 4
618 -
118 = 4
518 (c)
Make the denominators the same.
8
23 - 5
312 = 8
2 x 43 x 4 - 5
312 = 8
812 - 5
312 = 3
512 (d)
Make the denominators the same.
7
114 -
57 = 7
114 -
5 x 27 x 2 = 6
1514 -
1014 = 6
514Answer(s): 6
25, 4
518, 3
512, 6
514