Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 6 - 611 = _____
- 239 - 127 = _____
- 912 - 214 = _____
- 4221 - 47 = _____
(a)
6 -
611 = 5
1111 -
611 = 5
511 (b)
Make the denominators the same.
2
39 -
127 = 2
3 x 39 x 3 -
127 = 2
927 -
127 = 2
827 (c)
Make the denominators the same.
9
12 - 2
14 = 9
1 x 22 x 2 - 2
14 = 9
24 - 2
14 = 7
14 (d)
Make the denominators the same.
4
221 -
47 = 4
221 -
4 x 37 x 3 = 3
2321 -
1221 = 3
1121Answer(s): 5
511, 2
827, 7
14, 3
1121