Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 6 - 511 = _____
- 248 - 132 = _____
- 413 - 229 = _____
- 5221 - 57 = _____
(a)
6 -
511 = 5
1111 -
511 = 5
611 (b)
Make the denominators the same.
2
48 -
132 = 2
4 x 48 x 4 -
132 = 2
1632 -
132 = 2
1532 (c)
Make the denominators the same.
4
13 - 2
29 = 4
1 x 33 x 3 - 2
29 = 4
39 - 2
29 = 2
19 (d)
Make the denominators the same.
5
221 -
57 = 5
221 -
5 x 37 x 3 = 4
2321 -
1521 = 4
821Answer(s): 5
611, 2
1532, 2
19, 4
821