Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 9 - 59 = _____
- 336 - 112 = _____
- 725 - 4110 = _____
- 6121 - 67 = _____
(a)
9 -
59 = 8
99 -
59 = 8
49 (b)
Make the denominators the same.
3
36 -
112 = 3
3 x 26 x 2 -
112 = 3
612 -
112 = 3
512 (c)
Make the denominators the same.
7
25 - 4
110 = 7
2 x 25 x 2 - 4
110 = 7
410 - 4
110 = 3
310 (d)
Make the denominators the same.
6
121 -
67 = 6
121 -
6 x 37 x 3 = 5
2221 -
1821 = 5
421Answer(s): 8
49, 3
512, 3
310, 5
421