20-6*20/14

Solution

20 - 6 \cdot \frac{20}{14}

11 \frac{3}{7}

Solution steps

20 - 6 \cdot \frac{20}{14}

\frac{20}{14} = \frac{10}{7}

= 20 - 6 \cdot \frac{10}{7}

Follow the PEMDAS order of operations

Multiply and divide (left to right)

6 \cdot \frac{10}{7} : \frac{60}{7}

= 20 - \frac{60}{7}

Add and subtract (left to right)

20 - \frac{60}{7} : \frac{80}{7}

= \frac{80}{7}

Convert improper fractions to mixed numbers:

\frac{80}{7} = 11 \frac{3}{7}

= 11 \frac{3}{7}

2 (0)^{2} - (0) - 1

5 (\frac{1}{5}) + \frac{1}{5} (15)

5^{2} + 10

3 \cdot 1 2^{2}

1 6^{2} - 9^{2}