Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 911 = _____
- 238 - 132 = _____
- 315 - 1120 = _____
- 3221 - 67 = _____
(a)
5 -
911 = 4
1111 -
911 = 4
211 (b)
Make the denominators the same.
2
38 -
132 = 2
3 x 48 x 4 -
132 = 2
1232 -
132 = 2
1132 (c)
Make the denominators the same.
3
15 - 1
120 = 3
1 x 45 x 4 - 1
120 = 3
420 - 1
120 = 2
320 (d)
Make the denominators the same.
3
221 -
67 = 3
221 -
6 x 37 x 3 = 2
2321 -
1821 = 2
521Answer(s): 4
211, 2
1132, 2
320, 2
521