Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 6 - 29 = _____
- 4210 - 140 = _____
- 712 - 326 = _____
- 9314 - 47 = _____
(a)
6 -
29 = 5
99 -
29 = 5
79 (b)
Make the denominators the same.
4
210 -
140 = 4
2 x 410 x 4 -
140 = 4
840 -
140 = 4
740 (c)
Make the denominators the same.
7
12 - 3
26 = 7
1 x 32 x 3 - 3
26 = 7
36 - 3
26 = 4
16 (d)
Make the denominators the same.
9
314 -
47 = 9
314 -
4 x 27 x 2 = 8
1714 -
814 = 8
914Answer(s): 5
79, 4
740, 4
16, 8
914