Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 1011 = _____
- 438 - 116 = _____
- 923 - 136 = _____
- 9314 - 67 = _____
(a)
5 -
1011 = 4
1111 -
1011 = 4
111 (b)
Make the denominators the same.
4
38 -
116 = 4
3 x 28 x 2 -
116 = 4
616 -
116 = 4
516 (c)
Make the denominators the same.
9
23 - 1
36 = 9
2 x 23 x 2 - 1
36 = 9
46 - 1
36 = 8
16 (d)
Make the denominators the same.
9
314 -
67 = 9
314 -
6 x 27 x 2 = 8
1714 -
1214 = 8
514Answer(s): 4
111, 4
516, 8
16, 8
514