Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 4 - 58 = _____
- 346 - 118 = _____
- 724 - 5116 = _____
- 9221 - 47 = _____
(a)
4 -
58 = 3
88 -
58 = 3
38 (b)
Make the denominators the same.
3
46 -
118 = 3
4 x 36 x 3 -
118 = 3
1218 -
118 = 3
1118 (c)
Make the denominators the same.
7
24 - 5
116 = 7
2 x 44 x 4 - 5
116 = 7
816 - 5
116 = 2
716 (d)
Make the denominators the same.
9
221 -
47 = 9
221 -
4 x 37 x 3 = 8
2321 -
1221 = 8
1121Answer(s): 3
38, 3
1118, 2
716, 8
1121