Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 2 - 611 = _____
- 5310 - 140 = _____
- 625 - 3310 = _____
- 7116 - 78 = _____
(a)
2 -
611 = 1
1111 -
611 = 1
511 (b)
Make the denominators the same.
5
310 -
140 = 5
3 x 410 x 4 -
140 = 5
1240 -
140 = 5
1140 (c)
Make the denominators the same.
6
25 - 3
310 = 6
2 x 25 x 2 - 3
310 = 6
410 - 3
310 = 3
110 (d)
Make the denominators the same.
7
116 -
78 = 7
116 -
7 x 28 x 2 = 6
1716 -
1416 = 6
316Answer(s): 1
511, 5
1140, 3
110, 6
316