Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 4 - 16 = _____
- 226 - 118 = _____
- 913 - 219 = _____
- 5314 - 47 = _____
(a)
4 -
16 = 3
66 -
16 = 3
56 (b)
Make the denominators the same.
2
26 -
118 = 2
2 x 36 x 3 -
118 = 2
618 -
118 = 2
518 (c)
Make the denominators the same.
9
13 - 2
19 = 9
1 x 33 x 3 - 2
19 = 9
39 - 2
19 = 7
29 (d)
Make the denominators the same.
5
314 -
47 = 5
314 -
4 x 27 x 2 = 4
1714 -
814 = 4
914Answer(s): 3
56, 2
518, 7
29, 4
914