Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 9 - 16 = _____
- 337 - 121 = _____
- 534 - 238 = _____
- 3110 - 45 = _____
(a)
9 -
16 = 8
66 -
16 = 8
56 (b)
Make the denominators the same.
3
37 -
121 = 3
3 x 37 x 3 -
121 = 3
921 -
121 = 3
821 (c)
Make the denominators the same.
5
34 - 2
38 = 5
3 x 24 x 2 - 2
38 = 5
68 - 2
38 = 3
38 (d)
Make the denominators the same.
3
110 -
45 = 3
110 -
4 x 25 x 2 = 2
1110 -
810 = 2
310Answer(s): 8
56, 3
821, 3
38, 2
310