Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 7 - 58 = _____
- 336 - 112 = _____
- 815 - 3320 = _____
- 9114 - 67 = _____
(a)
7 -
58 = 6
88 -
58 = 6
38 (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.
8
15 - 3
320 = 8
1 x 45 x 4 - 3
320 = 8
420 - 3
320 = 5
120 (d)
Make the denominators the same.
9
114 -
67 = 9
114 -
6 x 27 x 2 = 8
1514 -
1214 = 8
314Answer(s): 6
38, 3
512, 5
120, 8
314