Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 6 - 78 = _____
- 248 - 116 = _____
- 614 - 2212 = _____
- 9114 - 57 = _____
(a)
6 -
78 = 5
88 -
78 = 5
18 (b)
Make the denominators the same.
2
48 -
116 = 2
4 x 28 x 2 -
116 = 2
816 -
116 = 2
716 (c)
Make the denominators the same.
6
14 - 2
212 = 6
1 x 34 x 3 - 2
212 = 6
312 - 2
212 = 4
112 (d)
Make the denominators the same.
9
114 -
57 = 9
114 -
5 x 27 x 2 = 8
1514 -
1014 = 8
514Answer(s): 5
18, 2
716, 4
112, 8
514