Basic Math Examples

15 \frac{7}{8}

$15 \frac{7}{8}$

Step 1

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

15 + \frac{7}{8}

$15 + \frac{7}{8}$

Step 2

Add

15

$15$ and

\frac{7}{8}

$\frac{7}{8}$ .

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Step 2.1

To write

15

$15$ as a fraction with a common denominator, multiply by

\frac{8}{8}

$\frac{8}{8}$ .

15 \cdot \frac{8}{8} + \frac{7}{8}

$15 \cdot \frac{8}{8} + \frac{7}{8}$

Step 2.2

Combine

15

$15$ and

\frac{8}{8}

$\frac{8}{8}$ .

\frac{15 \cdot 8}{8} + \frac{7}{8}

$\frac{15 \cdot 8}{8} + \frac{7}{8}$

Step 2.3

Combine the numerators over the common denominator.

\frac{15 \cdot 8 + 7}{8}

$\frac{15 \cdot 8 + 7}{8}$

Step 2.4

Simplify the numerator.

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Step 2.4.1

Multiply

15

$15$ by

8

$8$ .

\frac{120 + 7}{8}

$\frac{120 + 7}{8}$

Step 2.4.2

Add

120

$120$ and

7

$7$ .

\frac{127}{8}

$\frac{127}{8}$

\frac{127}{8}

$\frac{127}{8}$

\frac{127}{8}

$\frac{127}{8}$

Step 3

The result can be shown in multiple forms.

Exact Form:

\frac{127}{8}

$\frac{127}{8}$

Decimal Form:

15.875

$15.875$

Mixed Number Form:

15 \frac{7}{8}

$15 \frac{7}{8}$

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