Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 2 - 79 = _____
- 245 - 110 = _____
- 713 - 319 = _____
- 6116 - 78 = _____
(a)
2 -
79 = 1
99 -
79 = 1
29 (b)
Make the denominators the same.
2
45 -
110 = 2
4 x 25 x 2 -
110 = 2
810 -
110 = 2
710 (c)
Make the denominators the same.
7
13 - 3
19 = 7
1 x 33 x 3 - 3
19 = 7
39 - 3
19 = 4
29 (d)
Make the denominators the same.
6
116 -
78 = 6
116 -
7 x 28 x 2 = 5
1716 -
1416 = 5
316Answer(s): 1
29, 2
710, 4
29, 5
316