In the bakery, sometimes it is more useful to use a fraction, and sometimes it is more useful to use a decimal number. It is often helpful or necessary to convert between one and the other.
You can convert a fraction to a decimal by dividing the top number by the bottom number. For example, = 1 4 = 0.25.
To take it the other way, 0.25 can be converted back to a fraction by noticing the last decimal place, in this case, hundredths. You would put the decimal number over that number, giving you . From here you would reduce the fraction. This is done by dividing both the top and bottom numbers by the same number. Both numbers divide by 25. 25 25 = 1, and 100 25 = 4. So the answer reduces to .
It’s possible to reduce a fraction using more than one step, if you can’t figure out the largest number that will divide into both the top and bottom numbers. It’s fine to do that as long as in the end you have a fraction reduced as far as possible.
Here is a link that will convert a decimal to a fraction: Decimal to Fraction You may use it for assignments and quizzes in this course after we have completed this unit.
It’s also helpful to memorize how some common fractions are expressed as decimals:
*Not exact. Rounded to nearest hundredth.
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Tips for Success
Decimals and Fractions Assignment
Convert to a decimal number. Round to the nearest hundredth if necessary:
Convert to a fraction or mixed number. Reduce to lowest terms if necessary: