Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 3 - 112 = _____
- 529 - 127 = _____
- 625 - 3110 = _____
- 4121 - 47 = _____
(a)
3 -
112 = 2
1212 -
112 = 2
1112 (b)
Make the denominators the same.
5
29 -
127 = 5
2 x 39 x 3 -
127 = 5
627 -
127 = 5
527 (c)
Make the denominators the same.
6
25 - 3
110 = 6
2 x 25 x 2 - 3
110 = 6
410 - 3
110 = 3
310 (d)
Make the denominators the same.
4
121 -
47 = 4
121 -
4 x 37 x 3 = 3
2221 -
1221 = 3
1021Answer(s): 2
1112, 5
527, 3
310, 3
1021