Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 47 = _____
- 349 - 127 = _____
- 934 - 2212 = _____
- 4114 - 57 = _____
(a)
5 -
47 = 4
77 -
47 = 4
37 (b)
Make the denominators the same.
3
49 -
127 = 3
4 x 39 x 3 -
127 = 3
1227 -
127 = 3
1127 (c)
Make the denominators the same.
9
34 - 2
212 = 9
3 x 34 x 3 - 2
212 = 9
912 - 2
212 = 7
712 (d)
Make the denominators the same.
4
114 -
57 = 4
114 -
5 x 27 x 2 = 3
1514 -
1014 = 3
514Answer(s): 4
37, 3
1127, 7
712, 3
514