Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 9 - 15 = _____
- 348 - 132 = _____
- 913 - 216 = _____
- 8110 - 45 = _____
(a)
9 -
15 = 8
55 -
15 = 8
45 (b)
Make the denominators the same.
3
48 -
132 = 3
4 x 48 x 4 -
132 = 3
1632 -
132 = 3
1532 (c)
Make the denominators the same.
9
13 - 2
16 = 9
1 x 23 x 2 - 2
16 = 9
26 - 2
16 = 7
16 (d)
Make the denominators the same.
8
110 -
45 = 8
110 -
4 x 25 x 2 = 7
1110 -
810 = 7
310Answer(s): 8
45, 3
1532, 7
16, 7
310