Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 9 - 511 = _____
- 539 - 127 = _____
- 614 - 4116 = _____
- 6221 - 47 = _____
(a)
9 -
511 = 8
1111 -
511 = 8
611 (b)
Make the denominators the same.
5
39 -
127 = 5
3 x 39 x 3 -
127 = 5
927 -
127 = 5
827 (c)
Make the denominators the same.
6
14 - 4
116 = 6
1 x 44 x 4 - 4
116 = 6
416 - 4
116 = 2
316 (d)
Make the denominators the same.
6
221 -
47 = 6
221 -
4 x 37 x 3 = 5
2321 -
1221 = 5
1121Answer(s): 8
611, 5
827, 2
316, 5
1121