Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 3 - 511 = _____
- 439 - 127 = _____
- 824 - 5116 = _____
- 7314 - 67 = _____
(a)
3 -
511 = 2
1111 -
511 = 2
611 (b)
Make the denominators the same.
4
39 -
127 = 4
3 x 39 x 3 -
127 = 4
927 -
127 = 4
827 (c)
Make the denominators the same.
8
24 - 5
116 = 8
2 x 44 x 4 - 5
116 = 8
816 - 5
116 = 3
716 (d)
Make the denominators the same.
7
314 -
67 = 7
314 -
6 x 27 x 2 = 6
1714 -
1214 = 6
514Answer(s): 2
611, 4
827, 3
716, 6
514