Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 3 - 811 = _____
- 539 - 136 = _____
- 912 - 218 = _____
- 4114 - 57 = _____
(a)
3 -
811 = 2
1111 -
811 = 2
311 (b)
Make the denominators the same.
5
39 -
136 = 5
3 x 49 x 4 -
136 = 5
1236 -
136 = 5
1136 (c)
Make the denominators the same.
9
12 - 2
18 = 9
1 x 42 x 4 - 2
18 = 9
48 - 2
18 = 7
38 (d)
Make the denominators the same.
4
114 -
57 = 4
114 -
5 x 27 x 2 = 3
1514 -
1014 = 3
514Answer(s): 2
311, 5
1136, 7
38, 3
514