Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 2 - 310 = _____
- 525 - 120 = _____
- 735 - 5115 = _____
- 2314 - 67 = _____
(a)
2 -
310 = 1
1010 -
310 = 1
710 (b)
Make the denominators the same.
5
25 -
120 = 5
2 x 45 x 4 -
120 = 5
820 -
120 = 5
720 (c)
Make the denominators the same.
7
35 - 5
115 = 7
3 x 35 x 3 - 5
115 = 7
915 - 5
115 = 2
815 (d)
Make the denominators the same.
2
314 -
67 = 2
314 -
6 x 27 x 2 = 1
1714 -
1214 = 1
514Answer(s): 1
710, 5
720, 2
815, 1
514