A Survey of Mathematics Related Topics: Pg. 205, Example 7

This activity allows the user to explore converting decimals to fractions and fractions to decimals. To convert a fraction to a decimal is easy; just divide the top number by the bottom number. The top number is called the numerator and the bottom number is called the denominator. You can do this either with a calculator or using long division.

Converting a terminating (non repeating) decimal to a fraction is a little harder. The first step is to multiply the decimal by a power of ten to move the decimal point all the way to the right. For example, if the decimal has three numbers behind the decimal place then you would multiply by a one with three zeros (1000). Now put that number over the power of 10 you multiplied by and reduce that fraction. Here is an example: