Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 7 - 38 = _____
- 337 - 114 = _____
- 723 - 519 = _____
- 9114 - 57 = _____
(a)
7 -
38 = 6
88 -
38 = 6
58 (b)
Make the denominators the same.
3
37 -
114 = 3
3 x 27 x 2 -
114 = 3
614 -
114 = 3
514 (c)
Make the denominators the same.
7
23 - 5
19 = 7
2 x 33 x 3 - 5
19 = 7
69 - 5
19 = 2
59 (d)
Make the denominators the same.
9
114 -
57 = 9
114 -
5 x 27 x 2 = 8
1514 -
1014 = 8
514Answer(s): 6
58, 3
514, 2
59, 8
514