Basic Math Examples

$\frac{6}{7} \cdot (21) - 3$

Step 1

Simplify each term.

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Step 1.1

Cancel the common factor of $7$ .

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Step 1.1.1

Factor $7$ out of $21$ .

$\frac{6}{7} \cdot (7 (3)) - 3$

Step 1.1.2

Cancel the common factor.

$\frac{6}{7} \cdot (7 \cdot 3) - 3$

Step 1.1.3

Rewrite the expression.

$6 \cdot 3 - 3$

$6 \cdot 3 - 3$

Step 1.2

Multiply $6$ by $3$ .

$18 - 3$

$18 - 3$

Step 2

Subtract $3$ from $18$ .

$15$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$