Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 7 - 13 = _____
- 546 - 112 = _____
- 523 - 4112 = _____
- 9110 - 45 = _____
(a)
7 -
13 = 6
33 -
13 = 6
23 (b)
Make the denominators the same.
5
46 -
112 = 5
4 x 26 x 2 -
112 = 5
812 -
112 = 5
712 (c)
Make the denominators the same.
5
23 - 4
112 = 5
2 x 43 x 4 - 4
112 = 5
812 - 4
112 = 1
712 (d)
Make the denominators the same.
9
110 -
45 = 9
110 -
4 x 25 x 2 = 8
1110 -
810 = 8
310Answer(s): 6
23, 5
712, 1
712, 8
310