Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 58 = _____
- 248 - 132 = _____
- 625 - 4110 = _____
- 4221 - 67 = _____
(a)
5 -
58 = 4
88 -
58 = 4
38 (b)
Make the denominators the same.
2
48 -
132 = 2
4 x 48 x 4 -
132 = 2
1632 -
132 = 2
1532 (c)
Make the denominators the same.
6
25 - 4
110 = 6
2 x 25 x 2 - 4
110 = 6
410 - 4
110 = 2
310 (d)
Make the denominators the same.
4
221 -
67 = 4
221 -
6 x 37 x 3 = 3
2321 -
1821 = 3
521Answer(s): 4
38, 2
1532, 2
310, 3
521