Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 5 - 211 = _____
- 247 - 121 = _____
- 334 - 2116 = _____
- 4221 - 67 = _____
(a)
5 -
211 = 4
1111 -
211 = 4
911 (b)
Make the denominators the same.
2
47 -
121 = 2
4 x 37 x 3 -
121 = 2
1221 -
121 = 2
1121 (c)
Make the denominators the same.
3
34 - 2
116 = 3
3 x 44 x 4 - 2
116 = 3
1216 - 2
116 = 1
1116 (d)
Make the denominators the same.
4
221 -
67 = 4
221 -
6 x 37 x 3 = 3
2321 -
1821 = 3
521Answer(s): 4
911, 2
1121, 1
1116, 3
521