Basic Math Examples

7 \frac{1}{3} - 2 \frac{2}{3}

$7 \frac{1}{3} - 2 \frac{2}{3}$

Step 1

Convert

7 \frac{1}{3}

$7 \frac{1}{3}$ to an improper fraction.

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Step 1.1

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

7 + \frac{1}{3} - 2 \frac{2}{3}

$7 + \frac{1}{3} - 2 \frac{2}{3}$

Step 1.2

Add

7

$7$ and

\frac{1}{3}

$\frac{1}{3}$ .

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Step 1.2.1

To write

7

$7$ as a fraction with a common denominator, multiply by

\frac{3}{3}

$\frac{3}{3}$ .

7 \cdot \frac{3}{3} + \frac{1}{3} - 2 \frac{2}{3}

$7 \cdot \frac{3}{3} + \frac{1}{3} - 2 \frac{2}{3}$

Step 1.2.2

Combine

7

$7$ and

\frac{3}{3}

$\frac{3}{3}$ .

\frac{7 \cdot 3}{3} + \frac{1}{3} - 2 \frac{2}{3}

$\frac{7 \cdot 3}{3} + \frac{1}{3} - 2 \frac{2}{3}$

Step 1.2.3

Combine the numerators over the common denominator.

\frac{7 \cdot 3 + 1}{3} - 2 \frac{2}{3}

$\frac{7 \cdot 3 + 1}{3} - 2 \frac{2}{3}$

Step 1.2.4

Simplify the numerator.

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Step 1.2.4.1

Multiply

7

$7$ by

3

$3$ .

\frac{21 + 1}{3} - 2 \frac{2}{3}

$\frac{21 + 1}{3} - 2 \frac{2}{3}$

Step 1.2.4.2

Add

21

$21$ and

1

$1$ .

\frac{22}{3} - 2 \frac{2}{3}

$\frac{22}{3} - 2 \frac{2}{3}$

\frac{22}{3} - 2 \frac{2}{3}

$\frac{22}{3} - 2 \frac{2}{3}$

\frac{22}{3} - 2 \frac{2}{3}

$\frac{22}{3} - 2 \frac{2}{3}$

\frac{22}{3} - 2 \frac{2}{3}

$\frac{22}{3} - 2 \frac{2}{3}$

Step 2

Convert

2 \frac{2}{3}

$2 \frac{2}{3}$ to an improper fraction.

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Step 2.1

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

\frac{22}{3} - (2 + \frac{2}{3})

$\frac{22}{3} - (2 + \frac{2}{3})$

Step 2.2

Add

2

$2$ and

\frac{2}{3}

$\frac{2}{3}$ .

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Step 2.2.1

To write

2

$2$ as a fraction with a common denominator, multiply by

\frac{3}{3}

$\frac{3}{3}$ .

\frac{22}{3} - (2 \cdot \frac{3}{3} + \frac{2}{3})

$\frac{22}{3} - (2 \cdot \frac{3}{3} + \frac{2}{3})$

Step 2.2.2

Combine

2

$2$ and

\frac{3}{3}

$\frac{3}{3}$ .

\frac{22}{3} - (\frac{2 \cdot 3}{3} + \frac{2}{3})

$\frac{22}{3} - (\frac{2 \cdot 3}{3} + \frac{2}{3})$

Step 2.2.3

Combine the numerators over the common denominator.

\frac{22}{3} - \frac{2 \cdot 3 + 2}{3}

$\frac{22}{3} - \frac{2 \cdot 3 + 2}{3}$

Step 2.2.4

Simplify the numerator.

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Step 2.2.4.1

Multiply

2

$2$ by

3

$3$ .

\frac{22}{3} - \frac{6 + 2}{3}

$\frac{22}{3} - \frac{6 + 2}{3}$

Step 2.2.4.2

Add

6

$6$ and

2

$2$ .

\frac{22}{3} - \frac{8}{3}

$\frac{22}{3} - \frac{8}{3}$

\frac{22}{3} - \frac{8}{3}

$\frac{22}{3} - \frac{8}{3}$

\frac{22}{3} - \frac{8}{3}

$\frac{22}{3} - \frac{8}{3}$

\frac{22}{3} - \frac{8}{3}

$\frac{22}{3} - \frac{8}{3}$

Step 3

Combine the numerators over the common denominator.

\frac{22 - 8}{3}

$\frac{22 - 8}{3}$

Step 4

Subtract

8

$8$ from

22

$22$ .

\frac{14}{3}

$\frac{14}{3}$

Step 5

The result can be shown in multiple forms.

Exact Form:

\frac{14}{3}

$\frac{14}{3}$

Decimal Form:

4.\overline{6}

$4.\overline{6}$

Mixed Number Form:

4 \frac{2}{3}

$4 \frac{2}{3}$