Refresh your knowledge of converting to decimals...
Fractions to Decimals
| FRACTION | DECIMAL | PERCENT |
|---|---|---|
| 1/1000 | 0.001 | 0.1% |
| 1/100 | 0.01 | 1% |
| 1/10 | 0.1 | 10% |
| 1/5 | 0.2 | 20% |
| 1/4 | 0.25 | 25% |
| 1/2 | 0.5 | 50% |
| 3/4 | 0.75 | 75% |
| 9/10 | 0.9 | 90% |
| 1/1 | 1.0 | 100% |
Every fraction can be expressed as decimal (a number with a decimal point). One way to convert a fraction to a decimal is to divide the numerator (the number on the top) by the denominator(the number on the bottom). For example, 1/2 is equal to 1 divided by 2, which is equal to 0.5.
A decimal is a number that is written with a decimal point in it. For example, the numbers 4.1, 12.34, and 0.013 are decimals. The value of the digits is based on the number ten.
The decimal numeration system is based on base 10. Each position in a number has a value that is a power of 10. A decimal point separates the non-negative powers of 10 (100=1, 101=10, 102=100, 103=1,000, etc.) on the left from the negative exponents (10-1=1/10, 10-2=1/100, 10-3=1/1000, etc.) on the right.
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