Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 2 - 89 = _____
- 346 - 112 = _____
- 824 - 4116 = _____
- 4221 - 57 = _____
(a)
2 -
89 = 1
99 -
89 = 1
19 (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.
8
24 - 4
116 = 8
2 x 44 x 4 - 4
116 = 8
816 - 4
116 = 4
716 (d)
Make the denominators the same.
4
221 -
57 = 4
221 -
5 x 37 x 3 = 3
2321 -
1521 = 3
821Answer(s): 1
19, 3
712, 4
716, 3
821