Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 4 - 512 = _____
- 339 - 118 = _____
- 815 - 5320 = _____
- 6316 - 58 = _____
(a)
4 -
512 = 3
1212 -
512 = 3
712 (b)
Make the denominators the same.
3
39 -
118 = 3
3 x 29 x 2 -
118 = 3
618 -
118 = 3
518 (c)
Make the denominators the same.
8
15 - 5
320 = 8
1 x 45 x 4 - 5
320 = 8
420 - 5
320 = 3
120 (d)
Make the denominators the same.
6
316 -
58 = 6
316 -
5 x 28 x 2 = 5
1916 -
1016 = 5
916Answer(s): 3
712, 3
518, 3
120, 5
916