Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 7 - 79 = _____
- 546 - 118 = _____
- 924 - 118 = _____
- 6116 - 58 = _____
(a)
7 -
79 = 6
99 -
79 = 6
29 (b)
Make the denominators the same.
5
46 -
118 = 5
4 x 36 x 3 -
118 = 5
1218 -
118 = 5
1118 (c)
Make the denominators the same.
9
24 - 1
18 = 9
2 x 24 x 2 - 1
18 = 9
48 - 1
18 = 8
38 (d)
Make the denominators the same.
6
116 -
58 = 6
116 -
5 x 28 x 2 = 5
1716 -
1016 = 5
716Answer(s): 6
29, 5
1118, 8
38, 5
716