Find the following values without a calculator.
Give your answers in this manner. (Eg
12,
23,
34,
45)
- 2 - 711 = _____
- 248 - 132 = _____
- 524 - 138 = _____
- 9115 - 45 = _____
(a)
2 -
711 = 1
1111 -
711 = 1
411 (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.
5
24 - 1
38 = 5
2 x 24 x 2 - 1
38 = 5
48 - 1
38 = 4
18 (d)
Make the denominators the same.
9
115 -
45 = 9
115 -
4 x 35 x 3 = 8
1615 -
1215 = 8
415Answer(s): 1
411, 2
1532, 4
18, 8
415