Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 7 - 710 = _____
- 438 - 116 = _____
- 424 - 3116 = _____
- 9114 - 57 = _____
(a)
7 -
710 = 6
1010 -
710 = 6
310 (b)
Make the denominators the same.
4
38 -
116 = 4
3 x 28 x 2 -
116 = 4
616 -
116 = 4
516 (c)
Make the denominators the same.
4
24 - 3
116 = 4
2 x 44 x 4 - 3
116 = 4
816 - 3
116 = 1
716 (d)
Make the denominators the same.
9
114 -
57 = 9
114 -
5 x 27 x 2 = 8
1514 -
1014 = 8
514Answer(s): 6
310, 4
516, 1
716, 8
514