Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 9 - 49 = _____
- 548 - 116 = _____
- 535 - 3120 = _____
- 4121 - 67 = _____
(a)
9 -
49 = 8
99 -
49 = 8
59 (b)
Make the denominators the same.
5
48 -
116 = 5
4 x 28 x 2 -
116 = 5
816 -
116 = 5
716 (c)
Make the denominators the same.
5
35 - 3
120 = 5
3 x 45 x 4 - 3
120 = 5
1220 - 3
120 = 2
1120 (d)
Make the denominators the same.
4
121 -
67 = 4
121 -
6 x 37 x 3 = 3
2221 -
1821 = 3
421Answer(s): 8
59, 5
716, 2
1120, 3
421