Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 3 - 611 = _____
- 325 - 120 = _____
- 523 - 1112 = _____
- 5314 - 67 = _____
(a)
3 -
611 = 2
1111 -
611 = 2
511 (b)
Make the denominators the same.
3
25 -
120 = 3
2 x 45 x 4 -
120 = 3
820 -
120 = 3
720 (c)
Make the denominators the same.
5
23 - 1
112 = 5
2 x 43 x 4 - 1
112 = 5
812 - 1
112 = 4
712 (d)
Make the denominators the same.
5
314 -
67 = 5
314 -
6 x 27 x 2 = 4
1714 -
1214 = 4
514Answer(s): 2
511, 3
720, 4
712, 4
514