## Convert the integer number 66,800.

### 1. Write the number as an improper fraction.

#### (The numerator larger than or equal to the denominator).

#### 66,800 can be written as a fraction.

#### The numerator of this fraction is 66,800.

#### / is the fraction bar.

#### The denominator is 1:

#### 66,800 = ^{66,800}/_{1}

### Equivalent fractions.

#### The above fraction cannot be reduced.

#### That is, it has the smallest possible numerator and denominator.

#### By expanding it we can build up equivalent fractions.

#### Multiply the numerator & the denominator by the same number.

#### Example 1. By expanding the fraction by 5:

^{66,800}/_{1} = ^{(66,800 × 5)}/_{(1 × 5)} = ^{334,000}/_{5}

#### Example 2. By expanding the fraction by 8:

^{66,800}/_{1} = ^{(66,800 × 8)}/_{(1 × 8)} = ^{534,400}/_{8}

#### Of course, the above fractions are reducing...

#### ... to the initial fraction: ^{66,800}/_{1}

### 2. Write the number as a percentage.

#### Multiply the number by ^{100}/_{100}

#### Note: ^{100}/_{100} = 1

#### The value of the number does not change when multiplying by ^{100}/_{100}

#### 66,800 =

#### 66,800 × ^{100}/_{100} =

^{(66,800 × 100)}/_{100} =

#### ^{6,680,000}/_{100} =

#### 6,680,000%

#### In other words:

#### Multiply the number by 100...

#### ... And then add the percent sign, %

#### 66,800 = 6,680,000%