Basic Math Examples

$20 + 7 \cdot (5 - 3) \div (8 - 6) - 4$

Step 1

Subtract $3$ from $5$ .

$20 + 7 \cdot 2 \div (8 - 6) - 4$

Step 2

Multiply $7$ by $2$ .

$20 + 14 \div (8 - 6) - 4$

Step 3

Find the common denominator.

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Step 3.1

Subtract $6$ from $8$ .

$20 + 14 \div 2 - 4$

Step 3.2

Write $20$ as a fraction with denominator $1$ .

$\frac{20}{1} + 14 \div 2 - 4$

Step 3.3

Multiply $\frac{20}{1}$ by $\frac{2}{2}$ .

$\frac{20}{1} \cdot \frac{2}{2} + 14 \div 2 - 4$

Step 3.4

Multiply $\frac{20}{1}$ by $\frac{2}{2}$ .

$\frac{20 \cdot 2}{2} + 14 \div 2 - 4$

Step 3.5

Write $- 4$ as a fraction with denominator $1$ .

$\frac{20 \cdot 2}{2} + 14 \div 2 + \frac{- 4}{1}$

Step 3.6

Multiply $\frac{- 4}{1}$ by $\frac{2}{2}$ .

$\frac{20 \cdot 2}{2} + 14 \div 2 + \frac{- 4}{1} \cdot \frac{2}{2}$

Step 3.7

Multiply $\frac{- 4}{1}$ by $\frac{2}{2}$ .

$\frac{20 \cdot 2}{2} + 14 \div 2 + \frac{- 4 \cdot 2}{2}$

Step 4

Combine the numerators over the common denominator.

$\frac{20 \cdot 2 + 14 - 4 \cdot 2}{2}$

Step 5

Simplify each term.

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Step 5.1

Multiply $20$ by $2$ .

$\frac{40 + 14 - 4 \cdot 2}{2}$

Step 5.2

Multiply $- 4$ by $2$ .

$\frac{40 + 14 - 8}{2}$

Step 6

Simplify the expression.

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Step 6.1

Add $40$ and $14$ .

$\frac{54 - 8}{2}$

Step 6.2

Subtract $8$ from $54$ .

$\frac{46}{2}$

Step 6.3

Divide $46$ by $2$ .

$23$