Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 4 - 29 = _____
- 548 - 124 = _____
- 513 - 1312 = _____
- 9116 - 78 = _____
(a)
4 -
29 = 3
99 -
29 = 3
79 (b)
Make the denominators the same.
5
48 -
124 = 5
4 x 38 x 3 -
124 = 5
1224 -
124 = 5
1124 (c)
Make the denominators the same.
5
13 - 1
312 = 5
1 x 43 x 4 - 1
312 = 5
412 - 1
312 = 4
112 (d)
Make the denominators the same.
9
116 -
78 = 9
116 -
7 x 28 x 2 = 8
1716 -
1416 = 8
316Answer(s): 3
79, 5
1124, 4
112, 8
316