What is 15/4 \div 1/5 ?

The solution to 15/4 \div 1/5 is 75/4

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15/4 \div 1/5

\frac{15}{4} \div \frac{1}{5}

\frac{75}{4}

Solution steps

\frac{15}{4} \div \frac{1}{5}

Apply the fraction rule:

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

= \frac{15}{4} \times \frac{5}{1}

Apply rule

\frac{a}{1} = a

= 5 \times \frac{15}{4}

Convert element to fraction:

5 = \frac{5}{1}

= \frac{5}{1} \times \frac{15}{4}

Multiply fractions:

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

= \frac{15 \times 5}{4 \times 1}

Multiply the numbers:

15 \times 5 = 75

= \frac{75}{4 \times 1}

Multiply the numbers:

4 \times 1 = 4

= \frac{75}{4}

+ x^{2} - 100

1 \frac{20}{100}

x^{2} \cdot + x^{3}

- 3 \cdot (- 6)

\frac{j - 7}{j - 6} - \frac{2 j + 5}{j ^{2} + 8 j + 12}