Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 5 - 78 = _____
- 436 - 112 = _____
- 735 - 2320 = _____
- 9221 - 47 = _____
(a)
5 -
78 = 4
88 -
78 = 4
18 (b)
Make the denominators the same.
4
36 -
112 = 4
3 x 26 x 2 -
112 = 4
612 -
112 = 4
512 (c)
Make the denominators the same.
7
35 - 2
320 = 7
3 x 45 x 4 - 2
320 = 7
1220 - 2
320 = 5
920 (d)
Make the denominators the same.
9
221 -
47 = 9
221 -
4 x 37 x 3 = 8
2321 -
1221 = 8
1121Answer(s): 4
18, 4
512, 5
920, 8
1121