Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 9 - 512 = _____
- 227 - 114 = _____
- 635 - 3120 = _____
- 3316 - 58 = _____
(a)
9 -
512 = 8
1212 -
512 = 8
712 (b)
Make the denominators the same.
2
27 -
114 = 2
2 x 27 x 2 -
114 = 2
414 -
114 = 2
314 (c)
Make the denominators the same.
6
35 - 3
120 = 6
3 x 45 x 4 - 3
120 = 6
1220 - 3
120 = 3
1120 (d)
Make the denominators the same.
3
316 -
58 = 3
316 -
5 x 28 x 2 = 2
1916 -
1016 = 2
916Answer(s): 8
712, 2
314, 3
1120, 2
916