Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 15 = _____
- 226 - 124 = _____
- 534 - 338 = _____
- 5221 - 57 = _____
(a)
5 -
15 = 4
55 -
15 = 4
45 (b)
Make the denominators the same.
2
26 -
124 = 2
2 x 46 x 4 -
124 = 2
824 -
124 = 2
724 (c)
Make the denominators the same.
5
34 - 3
38 = 5
3 x 24 x 2 - 3
38 = 5
68 - 3
38 = 2
38 (d)
Make the denominators the same.
5
221 -
57 = 5
221 -
5 x 37 x 3 = 4
2321 -
1521 = 4
821Answer(s): 4
45, 2
724, 2
38, 4
821