Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 7 - 711 = _____
- 339 - 136 = _____
- 623 - 3112 = _____
- 6314 - 67 = _____
(a)
7 -
711 = 6
1111 -
711 = 6
411 (b)
Make the denominators the same.
3
39 -
136 = 3
3 x 49 x 4 -
136 = 3
1236 -
136 = 3
1136 (c)
Make the denominators the same.
6
23 - 3
112 = 6
2 x 43 x 4 - 3
112 = 6
812 - 3
112 = 3
712 (d)
Make the denominators the same.
6
314 -
67 = 6
314 -
6 x 27 x 2 = 5
1714 -
1214 = 5
514Answer(s): 6
411, 3
1136, 3
712, 5
514