1. How is the fraction "one third" written as a decimal?
When doing the division 1.0000 ÷ 3, the answer 0.3333... is obtained.
To indicate that the "3" repeats forever a point is placed above the first 3 i.e.
2. Using a calculator, how is a fraction changed into a decimal?
By division. Divide the top line by the bottom line (the numerator by the denominator).
3. How are percentages changed into decimals or fractions?
Changing percentages into decimals or fractions always involves dividing by 100 or putting over a denominator of 100.
4. Is it acceptable to write fractions such as "one half" as 15⁄30?
While 15⁄30 is equivalent to 1⁄2 final answers should always be given in their simplest form.