Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 6 - 78 = _____
- 346 - 112 = _____
- 525 - 3110 = _____
- 9116 - 78 = _____
(a)
6 -
78 = 5
88 -
78 = 5
18 (b)
Make the denominators the same.
3
46 -
112 = 3
4 x 26 x 2 -
112 = 3
812 -
112 = 3
712 (c)
Make the denominators the same.
5
25 - 3
110 = 5
2 x 25 x 2 - 3
110 = 5
410 - 3
110 = 2
310 (d)
Make the denominators the same.
9
116 -
78 = 9
116 -
7 x 28 x 2 = 8
1716 -
1416 = 8
316Answer(s): 5
18, 3
712, 2
310, 8
316