What is (15/3)/(2/5) ?

The solution to (15/3)/(2/5) is 25/2

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simplify (15/3)/(2/5)

simplify

\frac{\frac{15}{3}}{\frac{2}{5}}

\frac{25}{2}

Decimal Notation

12.5

Solution steps

\frac{\frac{15}{3}}{\frac{2}{5}}

Apply the fraction rule:

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

= \frac{15 \cdot 5}{3 \cdot 2}

Cancel

\frac{15 \cdot 5}{3 \cdot 2} : \frac{25}{2}

\frac{15 \cdot 5}{3 \cdot 2}

Factor the number:

15 = 3 \cdot 5

= \frac{3 \cdot 5 \cdot 5}{3 \cdot 2}

Cancel the common factor:

3

= \frac{5 \cdot 5}{2}

Multiply the numbers:

5 \cdot 5 = 25

= \frac{25}{2}

= \frac{25}{2}

(- 3)^{2} + 6 (- 3) + 2

(- 3)^{2} + 6 (- 3) + 5

(- 3)^{2} + 6 (- 3) + 4

- 1 \div 2 + 1

- 1 \div 2 - 1