Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 2 - 611 = _____
- 237 - 121 = _____
- 713 - 519 = _____
- 3121 - 67 = _____
(a)
2 -
611 = 1
1111 -
611 = 1
511 (b)
Make the denominators the same.
2
37 -
121 = 2
3 x 37 x 3 -
121 = 2
921 -
121 = 2
821 (c)
Make the denominators the same.
7
13 - 5
19 = 7
1 x 33 x 3 - 5
19 = 7
39 - 5
19 = 2
29 (d)
Make the denominators the same.
3
121 -
67 = 3
121 -
6 x 37 x 3 = 2
2221 -
1821 = 2
421Answer(s): 1
511, 2
821, 2
29, 2
421