Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 2 - 12 = _____
- 437 - 121 = _____
- 913 - 516 = _____
- 3221 - 47 = _____
(a)
2 -
12 = 1
22 -
12 = 1
12 (b)
Make the denominators the same.
4
37 -
121 = 4
3 x 37 x 3 -
121 = 4
921 -
121 = 4
821 (c)
Make the denominators the same.
9
13 - 5
16 = 9
1 x 23 x 2 - 5
16 = 9
26 - 5
16 = 4
16 (d)
Make the denominators the same.
3
221 -
47 = 3
221 -
4 x 37 x 3 = 2
2321 -
1221 = 2
1121Answer(s): 1
12, 4
821, 4
16, 2
1121