Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 47 = _____
- 449 - 118 = _____
- 835 - 2320 = _____
- 7114 - 57 = _____
(a)
5 -
47 = 4
77 -
47 = 4
37 (b)
Make the denominators the same.
4
49 -
118 = 4
4 x 29 x 2 -
118 = 4
818 -
118 = 4
718 (c)
Make the denominators the same.
8
35 - 2
320 = 8
3 x 45 x 4 - 2
320 = 8
1220 - 2
320 = 6
920 (d)
Make the denominators the same.
7
114 -
57 = 7
114 -
5 x 27 x 2 = 6
1514 -
1014 = 6
514Answer(s): 4
37, 4
718, 6
920, 6
514