Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 4 - 78 = _____
- 539 - 118 = _____
- 434 - 3116 = _____
- 5114 - 67 = _____
(a)
4 -
78 = 3
88 -
78 = 3
18 (b)
Make the denominators the same.
5
39 -
118 = 5
3 x 29 x 2 -
118 = 5
618 -
118 = 5
518 (c)
Make the denominators the same.
4
34 - 3
116 = 4
3 x 44 x 4 - 3
116 = 4
1216 - 3
116 = 1
1116 (d)
Make the denominators the same.
5
114 -
67 = 5
114 -
6 x 27 x 2 = 4
1514 -
1214 = 4
314Answer(s): 3
18, 5
518, 1
1116, 4
314