Evaluate 15/21

$\frac{15}{21}$

Step 1

Factor $3$ out of $15$ .

$\frac{3 (5)}{21}$

Step 2

Cancel the common factors.

Factor $3$ out of $21$ .

$\frac{3 \cdot 5}{3 \cdot 7}$

Cancel the common factor.

$\frac{3 \cdot 5}{3 \cdot 7}$

Rewrite the expression.

$\frac{5}{7}$

$\frac{5}{7}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{5}{7}$

Decimal Form:

$0.\overline{714285}$

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