Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 411 = _____
- 3210 - 140 = _____
- 613 - 429 = _____
- 9316 - 58 = _____
(a)
5 -
411 = 4
1111 -
411 = 4
711 (b)
Make the denominators the same.
3
210 -
140 = 3
2 x 410 x 4 -
140 = 3
840 -
140 = 3
740 (c)
Make the denominators the same.
6
13 - 4
29 = 6
1 x 33 x 3 - 4
29 = 6
39 - 4
29 = 2
19 (d)
Make the denominators the same.
9
316 -
58 = 9
316 -
5 x 28 x 2 = 8
1916 -
1016 = 8
916Answer(s): 4
711, 3
740, 2
19, 8
916