Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 2 - 57 = _____
- 345 - 110 = _____
- 734 - 418 = _____
- 5116 - 58 = _____
(a)
2 -
57 = 1
77 -
57 = 1
27 (b)
Make the denominators the same.
3
45 -
110 = 3
4 x 25 x 2 -
110 = 3
810 -
110 = 3
710 (c)
Make the denominators the same.
7
34 - 4
18 = 7
3 x 24 x 2 - 4
18 = 7
68 - 4
18 = 3
58 (d)
Make the denominators the same.
5
116 -
58 = 5
116 -
5 x 28 x 2 = 4
1716 -
1016 = 4
716Answer(s): 1
27, 3
710, 3
58, 4
716