Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 6 - 34 = _____
- 525 - 110 = _____
- 912 - 238 = _____
- 9110 - 45 = _____
(a)
6 -
34 = 5
44 -
34 = 5
14 (b)
Make the denominators the same.
5
25 -
110 = 5
2 x 25 x 2 -
110 = 5
410 -
110 = 5
310 (c)
Make the denominators the same.
9
12 - 2
38 = 9
1 x 42 x 4 - 2
38 = 9
48 - 2
38 = 7
18 (d)
Make the denominators the same.
9
110 -
45 = 9
110 -
4 x 25 x 2 = 8
1110 -
810 = 8
310Answer(s): 5
14, 5
310, 7
18, 8
310