Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 3 - 37 = _____
- 227 - 121 = _____
- 314 - 2316 = _____
- 8221 - 57 = _____
(a)
3 -
37 = 2
77 -
37 = 2
47 (b)
Make the denominators the same.
2
27 -
121 = 2
2 x 37 x 3 -
121 = 2
621 -
121 = 2
521 (c)
Make the denominators the same.
3
14 - 2
316 = 3
1 x 44 x 4 - 2
316 = 3
416 - 2
316 = 1
116 (d)
Make the denominators the same.
8
221 -
57 = 8
221 -
5 x 37 x 3 = 7
2321 -
1521 = 7
821Answer(s): 2
47, 2
521, 1
116, 7
821