simplify 4*2/7

Solution

simplify

4 \cdot \frac{2}{7}

\frac{8}{7}

Decimal Notation

1.14285 \dots

Solution steps

4 \cdot \frac{2}{7}

Convert element to fraction:

4 = \frac{4}{1}

= \frac{4}{1} \cdot \frac{2}{7}

Apply the fraction rule:

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

= \frac{4 \cdot 2}{1 \cdot 7}

Multiply the numbers:

4 \cdot 2 = 8

= \frac{8}{1 \cdot 7}

Multiply the numbers:

1 \cdot 7 = 7

= \frac{8}{7}

\frac{1}{x} + 2 x

(- 5 a^{2} b) (2 a b^{2} c) (- 3 b)

\frac{\frac{x + 9}{x + 3} - 2}{x - 3}

80 v^{2} u - 8 v^{3} + 40 v^{3}

(x - 3)^{2} - 9