Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 6 - 111 = _____
- 5310 - 140 = _____
- 814 - 3316 = _____
- 2221 - 57 = _____
(a)
6 -
111 = 5
1111 -
111 = 5
1011 (b)
Make the denominators the same.
5
310 -
140 = 5
3 x 410 x 4 -
140 = 5
1240 -
140 = 5
1140 (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
221 -
57 = 2
221 -
5 x 37 x 3 = 1
2321 -
1521 = 1
821Answer(s): 5
1011, 5
1140, 5
116, 1
821