Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 4 - 37 = _____
- 245 - 115 = _____
- 612 - 338 = _____
- 2116 - 58 = _____
(a)
4 -
37 = 3
77 -
37 = 3
47 (b)
Make the denominators the same.
2
45 -
115 = 2
4 x 35 x 3 -
115 = 2
1215 -
115 = 2
1115 (c)
Make the denominators the same.
6
12 - 3
38 = 6
1 x 42 x 4 - 3
38 = 6
48 - 3
38 = 3
18 (d)
Make the denominators the same.
2
116 -
58 = 2
116 -
5 x 28 x 2 = 1
1716 -
1016 = 1
716Answer(s): 3
47, 2
1115, 3
18, 1
716