Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 4 - 112 = _____
- 549 - 118 = _____
- 834 - 3316 = _____
- 9316 - 78 = _____
(a)
4 -
112 = 3
1212 -
112 = 3
1112 (b)
Make the denominators the same.
5
49 -
118 = 5
4 x 29 x 2 -
118 = 5
818 -
118 = 5
718 (c)
Make the denominators the same.
8
34 - 3
316 = 8
3 x 44 x 4 - 3
316 = 8
1216 - 3
316 = 5
916 (d)
Make the denominators the same.
9
316 -
78 = 9
316 -
7 x 28 x 2 = 8
1916 -
1416 = 8
516Answer(s): 3
1112, 5
718, 5
916, 8
516