Basic Math Examples

$15 \div 5 + 6 + 9$

Step 1

Find the common denominator.

Tap for more steps...

Step 1.1

Write $6$ as a fraction with denominator $1$ .

$15 \div 5 + \frac{6}{1} + 9$

Step 1.2

Multiply $\frac{6}{1}$ by $\frac{5}{5}$ .

$15 \div 5 + \frac{6}{1} \cdot \frac{5}{5} + 9$

Step 1.3

Multiply $\frac{6}{1}$ by $\frac{5}{5}$ .

$15 \div 5 + \frac{6 \cdot 5}{5} + 9$

Step 1.4

Write $9$ as a fraction with denominator $1$ .

$15 \div 5 + \frac{6 \cdot 5}{5} + \frac{9}{1}$

Step 1.5

Multiply $\frac{9}{1}$ by $\frac{5}{5}$ .

$15 \div 5 + \frac{6 \cdot 5}{5} + \frac{9}{1} \cdot \frac{5}{5}$

Step 1.6

Multiply $\frac{9}{1}$ by $\frac{5}{5}$ .

$15 \div 5 + \frac{6 \cdot 5}{5} + \frac{9 \cdot 5}{5}$

Step 2

Combine the numerators over the common denominator.

$\frac{15 + 6 \cdot 5 + 9 \cdot 5}{5}$

Step 3

Simplify each term.

Tap for more steps...

Step 3.1

Multiply $6$ by $5$ .

$\frac{15 + 30 + 9 \cdot 5}{5}$

Step 3.2

Multiply $9$ by $5$ .

$\frac{15 + 30 + 45}{5}$

Step 4

Simplify the expression.

Tap for more steps...

Step 4.1

Add $15$ and $30$ .

$\frac{45 + 45}{5}$

Step 4.2

Add $45$ and $45$ .

$\frac{90}{5}$

Step 4.3

Divide $90$ by $5$ .

$18$