Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 2 - 78 = _____
- 449 - 118 = _____
- 423 - 336 = _____
- 9114 - 67 = _____
(a)
2 -
78 = 1
88 -
78 = 1
18 (b)
Make the denominators the same.
4
49 -
118 = 4
4 x 29 x 2 -
118 = 4
818 -
118 = 4
718 (c)
Make the denominators the same.
4
23 - 3
36 = 4
2 x 23 x 2 - 3
36 = 4
46 - 3
36 = 1
16 (d)
Make the denominators the same.
9
114 -
67 = 9
114 -
6 x 27 x 2 = 8
1514 -
1214 = 8
314Answer(s): 1
18, 4
718, 1
16, 8
314