**1. What is the difference between when a fraction is written in the form ^{15}⁄_{30} and when it is written **15/30

**?**

There is no difference. Some people use one way and some people use the other.

**2. Is it better to write a number as a percentage or as a decimal?**

Although each way represents the same number, it is often more

CONVENIENTto use one form rather than another.

e.g. When talking about a wage rise or an exam mark, we often use a percentage.

If we are measuring the length of a piece of wood we use decimals rather than fractions

**3. 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.Usually with fractions that repeat we leave them in fraction form rather than as a decimal.

**4. How are percentages changed into decimals or fractions?**

Changing percentages into decimals or fractions always involves either multiplying or dividing by 100.

**5. 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.