Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 4 - 16 = _____
- 236 - 112 = _____
- 435 - 1115 = _____
- 5121 - 47 = _____
(a)
4 -
16 = 3
66 -
16 = 3
56 (b)
Make the denominators the same.
2
36 -
112 = 2
3 x 26 x 2 -
112 = 2
612 -
112 = 2
512 (c)
Make the denominators the same.
4
35 - 1
115 = 4
3 x 35 x 3 - 1
115 = 4
915 - 1
115 = 3
815 (d)
Make the denominators the same.
5
121 -
47 = 5
121 -
4 x 37 x 3 = 4
2221 -
1221 = 4
1021Answer(s): 3
56, 2
512, 3
815, 4
1021