Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 4 - 112 = _____
- 327 - 121 = _____
- 835 - 4310 = _____
- 7114 - 67 = _____
(a)
4 -
112 = 3
1212 -
112 = 3
1112 (b)
Make the denominators the same.
3
27 -
121 = 3
2 x 37 x 3 -
121 = 3
621 -
121 = 3
521 (c)
Make the denominators the same.
8
35 - 4
310 = 8
3 x 25 x 2 - 4
310 = 8
610 - 4
310 = 4
310 (d)
Make the denominators the same.
7
114 -
67 = 7
114 -
6 x 27 x 2 = 6
1514 -
1214 = 6
314Answer(s): 3
1112, 3
521, 4
310, 6
314