Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 2 - 67 = _____
- 549 - 127 = _____
- 712 - 326 = _____
- 6316 - 78 = _____
(a)
2 -
67 = 1
77 -
67 = 1
17 (b)
Make the denominators the same.
5
49 -
127 = 5
4 x 39 x 3 -
127 = 5
1227 -
127 = 5
1127 (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.
6
316 -
78 = 6
316 -
7 x 28 x 2 = 5
1916 -
1416 = 5
516Answer(s): 1
17, 5
1127, 4
16, 5
516