Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 9 - 1011 = _____
- 339 - 127 = _____
- 623 - 329 = _____
- 7316 - 58 = _____
(a)
9 -
1011 = 8
1111 -
1011 = 8
111 (b)
Make the denominators the same.
3
39 -
127 = 3
3 x 39 x 3 -
127 = 3
927 -
127 = 3
827 (c)
Make the denominators the same.
6
23 - 3
29 = 6
2 x 33 x 3 - 3
29 = 6
69 - 3
29 = 3
49 (d)
Make the denominators the same.
7
316 -
58 = 7
316 -
5 x 28 x 2 = 6
1916 -
1016 = 6
916Answer(s): 8
111, 3
827, 3
49, 6
916