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Popular >

simplify 21/9*2

Solution

simplify

\frac{21}{9} \cdot 2

Solution

\frac{14}{3}

+1

Decimal Notation

4.66666 \dots

Solution steps

\frac{21}{9} \cdot 2

Cancel

\frac{21}{9} : \frac{7}{3}

\frac{21}{9}

Factor the number:

21 = 3 \cdot 7

= \frac{3 \cdot 7}{9}

Factor the number:

9 = 3 \cdot 3

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

Cancel the common factor:

3

= \frac{7}{3}

= \frac{7}{3} \cdot 2

\frac{7}{3} \cdot 2 = \frac{14}{3}

\frac{7}{3} \cdot 2

Convert element to fraction:

2 = \frac{2}{1}

= \frac{7}{3} \cdot \frac{2}{1}

Apply the fraction rule:

\frac{a}{b} \cdot \frac{c}{d} = \frac{a \cdot c}{b \cdot d}

= \frac{7 \cdot 2}{3 \cdot 1}

Multiply the numbers:

7 \cdot 2 = 14

= \frac{14}{3 \cdot 1}

Multiply the numbers:

3 \cdot 1 = 3

= \frac{14}{3}

= \frac{14}{3}

Popular Examples

(-30)\div (4-14)+(-8\div 2-3)\times 2+(-5)

(- 30) \div (4 - 14) + (- 8 \div 2 - 3) \times 2 + (- 5)

3-9/2+27/4-81/8

3 - \frac{9}{2} + \frac{27}{4} - \frac{81}{8}

2^3\times 5+3^2

2^{3} \times 5 + 3^{2}

-3\times 2\times (-3)+1

- 3 \times 2 \times (- 3) + 1

1/3 \cdot 81 \cdot 23

Frequently Asked Questions (FAQ)

What is 21/9*2 ?
The solution to 21/9*2 is 14/3