Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 16 = _____
- 228 - 124 = _____
- 824 - 3316 = _____
- 3121 - 47 = _____
(a)
5 -
16 = 4
66 -
16 = 4
56 (b)
Make the denominators the same.
2
28 -
124 = 2
2 x 38 x 3 -
124 = 2
624 -
124 = 2
524 (c)
Make the denominators the same.
8
24 - 3
316 = 8
2 x 44 x 4 - 3
316 = 8
816 - 3
316 = 5
516 (d)
Make the denominators the same.
3
121 -
47 = 3
121 -
4 x 37 x 3 = 2
2221 -
1221 = 2
1021Answer(s): 4
56, 2
524, 5
516, 2
1021