Basic Math Examples

20 \frac{2}{5}

$20 \frac{2}{5}$

Step 1

A mixed number is an addition of its whole and fractional parts.

20 + \frac{2}{5}

$20 + \frac{2}{5}$

Step 2

Add

20

$20$ and

\frac{2}{5}

$\frac{2}{5}$ .

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Step 2.1

To write

20

$20$ as a fraction with a common denominator, multiply by

\frac{5}{5}

$\frac{5}{5}$ .

20 \cdot \frac{5}{5} + \frac{2}{5}

$20 \cdot \frac{5}{5} + \frac{2}{5}$

Step 2.2

Combine

20

$20$ and

\frac{5}{5}

$\frac{5}{5}$ .

\frac{20 \cdot 5}{5} + \frac{2}{5}

$\frac{20 \cdot 5}{5} + \frac{2}{5}$

Step 2.3

Combine the numerators over the common denominator.

\frac{20 \cdot 5 + 2}{5}

$\frac{20 \cdot 5 + 2}{5}$

Step 2.4

Simplify the numerator.

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Step 2.4.1

Multiply

20

$20$ by

5

$5$ .

\frac{100 + 2}{5}

$\frac{100 + 2}{5}$

Step 2.4.2

Add

100

$100$ and

2

$2$ .

\frac{102}{5}

$\frac{102}{5}$

\frac{102}{5}

$\frac{102}{5}$

\frac{102}{5}

$\frac{102}{5}$

Step 3

The result can be shown in multiple forms.

Exact Form:

\frac{102}{5}

$\frac{102}{5}$

Decimal Form:

20.4

$20.4$

Mixed Number Form:

20 \frac{2}{5}

$20 \frac{2}{5}$