Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 6 - 811 = _____
- 3410 - 130 = _____
- 814 - 1116 = _____
- 9221 - 47 = _____
(a)
6 -
811 = 5
1111 -
811 = 5
311 (b)
Make the denominators the same.
3
410 -
130 = 3
4 x 310 x 3 -
130 = 3
1230 -
130 = 3
1130 (c)
Make the denominators the same.
8
14 - 1
116 = 8
1 x 44 x 4 - 1
116 = 8
416 - 1
116 = 7
316 (d)
Make the denominators the same.
9
221 -
47 = 9
221 -
4 x 37 x 3 = 8
2321 -
1221 = 8
1121Answer(s): 5
311, 3
1130, 7
316, 8
1121