Basic Math Examples

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

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

Step 1

Convert

3 \frac{2}{3}

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

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Step 1.1

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

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

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

Step 1.2

Add

3

$3$ and

\frac{2}{3}

$\frac{2}{3}$ .

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Step 1.2.1

To write

3

$3$ as a fraction with a common denominator, multiply by

\frac{3}{3}

$\frac{3}{3}$ .

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

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

Step 1.2.2

Combine

3

$3$ and

\frac{3}{3}

$\frac{3}{3}$ .

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

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

Step 1.2.3

Combine the numerators over the common denominator.

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

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

Step 1.2.4

Simplify the numerator.

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Step 1.2.4.1

Multiply

3

$3$ by

3

$3$ .

- \frac{7}{2} + \frac{9 + 2}{3}

$- \frac{7}{2} + \frac{9 + 2}{3}$

Step 1.2.4.2

Add

9

$9$ and

2

$2$ .

- \frac{7}{2} + \frac{11}{3}

$- \frac{7}{2} + \frac{11}{3}$

- \frac{7}{2} + \frac{11}{3}

$- \frac{7}{2} + \frac{11}{3}$

- \frac{7}{2} + \frac{11}{3}

$- \frac{7}{2} + \frac{11}{3}$

- \frac{7}{2} + \frac{11}{3}

$- \frac{7}{2} + \frac{11}{3}$

Step 2

To write

- \frac{7}{2}

$- \frac{7}{2}$ as a fraction with a common denominator, multiply by

\frac{3}{3}

$\frac{3}{3}$ .

- \frac{7}{2} \cdot \frac{3}{3} + \frac{11}{3}

$- \frac{7}{2} \cdot \frac{3}{3} + \frac{11}{3}$

Step 3

To write

\frac{11}{3}

$\frac{11}{3}$ as a fraction with a common denominator, multiply by

\frac{2}{2}

$\frac{2}{2}$ .

- \frac{7}{2} \cdot \frac{3}{3} + \frac{11}{3} \cdot \frac{2}{2}

$- \frac{7}{2} \cdot \frac{3}{3} + \frac{11}{3} \cdot \frac{2}{2}$

Step 4

Write each expression with a common denominator of

6

$6$ , by multiplying each by an appropriate factor of

1

$1$ .

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Step 4.1

Multiply

\frac{7}{2}

$\frac{7}{2}$ by

\frac{3}{3}

$\frac{3}{3}$ .

- \frac{7 \cdot 3}{2 \cdot 3} + \frac{11}{3} \cdot \frac{2}{2}

$- \frac{7 \cdot 3}{2 \cdot 3} + \frac{11}{3} \cdot \frac{2}{2}$

Step 4.2

Multiply

2

$2$ by

3

$3$ .

- \frac{7 \cdot 3}{6} + \frac{11}{3} \cdot \frac{2}{2}

$- \frac{7 \cdot 3}{6} + \frac{11}{3} \cdot \frac{2}{2}$

Step 4.3

Multiply

\frac{11}{3}

$\frac{11}{3}$ by

\frac{2}{2}

$\frac{2}{2}$ .

- \frac{7 \cdot 3}{6} + \frac{11 \cdot 2}{3 \cdot 2}

$- \frac{7 \cdot 3}{6} + \frac{11 \cdot 2}{3 \cdot 2}$

Step 4.4

Multiply

3

$3$ by

2

$2$ .

- \frac{7 \cdot 3}{6} + \frac{11 \cdot 2}{6}

$- \frac{7 \cdot 3}{6} + \frac{11 \cdot 2}{6}$

- \frac{7 \cdot 3}{6} + \frac{11 \cdot 2}{6}

$- \frac{7 \cdot 3}{6} + \frac{11 \cdot 2}{6}$

Step 5

Combine the numerators over the common denominator.

\frac{- 7 \cdot 3 + 11 \cdot 2}{6}

$\frac{- 7 \cdot 3 + 11 \cdot 2}{6}$

Step 6

Simplify the numerator.

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Step 6.1

Multiply

- 7

$- 7$ by

3

$3$ .

\frac{- 21 + 11 \cdot 2}{6}

$\frac{- 21 + 11 \cdot 2}{6}$

Step 6.2

Multiply

11

$11$ by

2

$2$ .

\frac{- 21 + 22}{6}

$\frac{- 21 + 22}{6}$

Step 6.3

Add

- 21

$- 21$ and

22

$22$ .

\frac{1}{6}

$\frac{1}{6}$

\frac{1}{6}

$\frac{1}{6}$

Step 7

The result can be shown in multiple forms.

Exact Form:

\frac{1}{6}

$\frac{1}{6}$

Decimal Form:

0.1\overline{6}

$0.1\overline{6}$