Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 9 - 16 = _____
- 3410 - 130 = _____
- 315 - 2320 = _____
- 8116 - 58 = _____
(a)
9 -
16 = 8
66 -
16 = 8
56 (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.
3
15 - 2
320 = 3
1 x 45 x 4 - 2
320 = 3
420 - 2
320 = 1
120 (d)
Make the denominators the same.
8
116 -
58 = 8
116 -
5 x 28 x 2 = 7
1716 -
1016 = 7
716Answer(s): 8
56, 3
1130, 1
120, 7
716