4+2/7*1/2

Solution

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

4 \frac{1}{7}

Solution steps

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

Follow the PEMDAS order of operations

Multiply and divide (left to right)

\frac{2}{7} \cdot \frac{1}{2} : \frac{1}{7}

= 4 + \frac{1}{7}

Add and subtract (left to right)

4 + \frac{1}{7} : \frac{29}{7}

= \frac{29}{7}

Convert improper fractions to mixed numbers:

\frac{29}{7} = 4 \frac{1}{7}

= 4 \frac{1}{7}

4^{3} - 3 (2 + 4 \cdot 2) \cdot 2

2 (- 7)^{2} - 108 \div 6^{2}

- (- 3)^{2} + 1

5 (3 - 5)^{2} + 10

15 - (- 9) + (- 8)