20\div 3/4

Solution

20 \div \frac{3}{4}

\frac{80}{3}

Solution steps

20 \div \frac{3}{4}

Convert element to fraction:

20 = \frac{20}{1}

= \frac{20}{1} \div \frac{3}{4}

Apply the fraction rule:

\frac{a}{b} \div \frac{c}{d} = \frac{a}{b} \times \frac{d}{c}

= \frac{20}{1} \times \frac{4}{3}

Apply rule

\frac{a}{1} = a

= 20 \times \frac{4}{3}

Convert element to fraction:

20 = \frac{20}{1}

= \frac{4}{3} \times \frac{20}{1}

Multiply fractions:

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

= \frac{20 \times 4}{1 \times 3}

Multiply the numbers:

20 \times 4 = 80

= \frac{80}{1 \times 3}

Multiply the numbers:

1 \times 3 = 3

= \frac{80}{3}

(8 - 5 i) (8 + 5 i)

2 a + 3 b - a - 5 b

10 x^{2} + 10

\frac{2 x}{x ^{2} - 9} - \frac{1}{x - 3}

1 \times 2 \times 3 \times 4 \times 5