Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 2 - 211 = _____
- 448 - 124 = _____
- 814 - 3316 = _____
- 2116 - 78 = _____
(a)
2 -
211 = 1
1111 -
211 = 1
911 (b)
Make the denominators the same.
4
48 -
124 = 4
4 x 38 x 3 -
124 = 4
1224 -
124 = 4
1124 (c)
Make the denominators the same.
8
14 - 3
316 = 8
1 x 44 x 4 - 3
316 = 8
416 - 3
316 = 5
116 (d)
Make the denominators the same.
2
116 -
78 = 2
116 -
7 x 28 x 2 = 1
1716 -
1416 = 1
316Answer(s): 1
911, 4
1124, 5
116, 1
316