Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 4 - 411 = _____
- 348 - 124 = _____
- 713 - 119 = _____
- 2121 - 67 = _____
(a)
4 -
411 = 3
1111 -
411 = 3
711 (b)
Make the denominators the same.
3
48 -
124 = 3
4 x 38 x 3 -
124 = 3
1224 -
124 = 3
1124 (c)
Make the denominators the same.
7
13 - 1
19 = 7
1 x 33 x 3 - 1
19 = 7
39 - 1
19 = 6
29 (d)
Make the denominators the same.
2
121 -
67 = 2
121 -
6 x 37 x 3 = 1
2221 -
1821 = 1
421Answer(s): 3
711, 3
1124, 6
29, 1
421