Find the following values without a calculator.
Give your answers in this manner. (Eg 1
35, 3
25, 4
23, 5
67)
- 3 - 710 = _____
- 346 - 118 = _____
- 914 - 4116 = _____
- 2314 - 47 = _____
(a)
3 -
710 = 2
1010 -
710 = 2
310 (b)
Make the denominators the same.
3
46 -
118 = 3
4 x 36 x 3 -
118 = 3
1218 -
118 = 3
1118 (c)
Make the denominators the same.
9
14 - 4
116 = 9
1 x 44 x 4 - 4
116 = 9
416 - 4
116 = 5
316 (d)
Make the denominators the same.
2
314 -
47 = 2
314 -
4 x 27 x 2 = 1
1714 -
814 = 1
914Answer(s): 2
310, 3
1118, 5
316, 1
914