Page 75 - MarceAlgebra Demystified

62 CHAPTER 3 Decimals

12:8 12:8 10 128
8 Þ12:8 becomes ¼ ¼ which becomes 80 Þ128:
8 8 10 80
You could reduce your fraction and get an even simpler division
problem.
128 8
¼ which becomes 5 Þ8:
80 5

Practice

Rewrite as a division problem without decimal points.
1: 6:85 Þ15:11

2: 0:9 Þ8:413

3: 4 Þ8:8

4: 19:76 Þ60:4

5: 3:413 Þ7

Solutions

15:11 15:11 100 1511
1: 6:85 Þ15:11 ¼ ¼ becomes 685 Þ1511
6:85 6:85 100 685
8:413 8:413 1000 8413
2: 0:9 Þ8:413 ¼ ¼ becomes 900 Þ8413
0:9 0:9 1000 900
8:8 8:8 10 88
3: 4 Þ8:8 ¼ ¼ becomes 40 Þ88
4 4 10 40
Reduce to get a simpler division problem.
88 11
¼ becomes 5 Þ11
40 5
60:4 60:4 100 6040
4: 19:76 Þ60:4 ¼ ¼
19:76 19:76 100 1976
6040 755
Reduce to get a simpler division problem: ¼
1976 247
which becomes 247 Þ755