Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 5 - 16 = _____
- 228 - 132 = _____
- 715 - 5110 = _____
- 4121 - 67 = _____
(a)
5 -
16 = 4
66 -
16 = 4
56 (b)
Make the denominators the same.
2
28 -
132 = 2
2 x 48 x 4 -
132 = 2
832 -
132 = 2
732 (c)
Make the denominators the same.
7
15 - 5
110 = 7
1 x 25 x 2 - 5
110 = 7
210 - 5
110 = 2
110 (d)
Make the denominators the same.
4
121 -
67 = 4
121 -
6 x 37 x 3 = 3
2221 -
1821 = 3
421Answer(s): 4
56, 2
732, 2
110, 3
421