Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 4 - 12 = _____
- 526 - 124 = _____
- 514 - 118 = _____
- 5114 - 67 = _____
(a)
4 -
12 = 3
22 -
12 = 3
12 (b)
Make the denominators the same.
5
26 -
124 = 5
2 x 46 x 4 -
124 = 5
824 -
124 = 5
724 (c)
Make the denominators the same.
5
14 - 1
18 = 5
1 x 24 x 2 - 1
18 = 5
28 - 1
18 = 4
18 (d)
Make the denominators the same.
5
114 -
67 = 5
114 -
6 x 27 x 2 = 4
1514 -
1214 = 4
314Answer(s): 3
12, 5
724, 4
18, 4
314