Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 3 - 34 = _____
- 436 - 112 = _____
- 623 - 219 = _____
- 5121 - 47 = _____
(a)
3 -
34 = 2
44 -
34 = 2
14 (b)
Make the denominators the same.
4
36 -
112 = 4
3 x 26 x 2 -
112 = 4
612 -
112 = 4
512 (c)
Make the denominators the same.
6
23 - 2
19 = 6
2 x 33 x 3 - 2
19 = 6
69 - 2
19 = 4
59 (d)
Make the denominators the same.
5
121 -
47 = 5
121 -
4 x 37 x 3 = 4
2221 -
1221 = 4
1021Answer(s): 2
14, 4
512, 4
59, 4
1021