Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 58 = _____
- 435 - 120 = _____
- 415 - 1115 = _____
- 4110 - 45 = _____
(a)
5 -
58 = 4
88 -
58 = 4
38 (b)
Make the denominators the same.
4
35 -
120 = 4
3 x 45 x 4 -
120 = 4
1220 -
120 = 4
1120 (c)
Make the denominators the same.
4
15 - 1
115 = 4
1 x 35 x 3 - 1
115 = 4
315 - 1
115 = 3
215 (d)
Make the denominators the same.
4
110 -
45 = 4
110 -
4 x 25 x 2 = 3
1110 -
810 = 3
310Answer(s): 4
38, 4
1120, 3
215, 3
310