Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 6 - 38 = _____
- 435 - 120 = _____
- 613 - 3312 = _____
- 7314 - 67 = _____
(a)
6 -
38 = 5
88 -
38 = 5
58 (b)
Make the denominators the same.
4
35 -
120 = 4
3 x 45 x 4 -
120 = 4
1220 -
120 = 4
1120 (c)
Make the denominators the same.
6
13 - 3
312 = 6
1 x 43 x 4 - 3
312 = 6
412 - 3
312 = 3
112 (d)
Make the denominators the same.
7
314 -
67 = 7
314 -
6 x 27 x 2 = 6
1714 -
1214 = 6
514Answer(s): 5
58, 4
1120, 3
112, 6
514