Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 3 - 411 = _____
- 428 - 124 = _____
- 415 - 3215 = _____
- 3316 - 58 = _____
(a)
3 -
411 = 2
1111 -
411 = 2
711 (b)
Make the denominators the same.
4
28 -
124 = 4
2 x 38 x 3 -
124 = 4
624 -
124 = 4
524 (c)
Make the denominators the same.
4
15 - 3
215 = 4
1 x 35 x 3 - 3
215 = 4
315 - 3
215 = 1
115 (d)
Make the denominators the same.
3
316 -
58 = 3
316 -
5 x 28 x 2 = 2
1916 -
1016 = 2
916Answer(s): 2
711, 4
524, 1
115, 2
916