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Popular >

simplify 9/21

Solution

simplify

\frac{9}{21}

Solution

\frac{3}{7}

+1

Decimal Notation

0.42857 \dots

Solution steps

\frac{9}{21}

Factor the number:

9 = 3 \cdot 3

= \frac{3 \cdot 3}{21}

Factor the number:

21 = 3 \cdot 7

= \frac{3 \cdot 3}{3 \cdot 7}

Cancel the common factor:

3

= \frac{3}{7}

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Frequently Asked Questions (FAQ)

What is 9/21 ?
The solution to 9/21 is 3/7