1/2 (-1)+5

Solution

\frac{1}{2} (- 1) + 5

4 \frac{1}{2}

Solution steps

\frac{1}{2} (- 1) + 5

Follow the PEMDAS order of operations

Multiply and divide (left to right)

\frac{1}{2} (- 1) : - \frac{1}{2}

= - \frac{1}{2} + 5

Add and subtract (left to right)

- \frac{1}{2} + 5 : \frac{9}{2}

= \frac{9}{2}

Convert improper fractions to mixed numbers:

\frac{9}{2} = 4 \frac{1}{2}

= 4 \frac{1}{2}

- \frac{2}{5} (4)^{1}

- \frac{2}{5} (4)^{0}

28 - 12 \div 4 \cdot 2

(2 - 3) [[4 (- 2) + 1] + 1] + 1

3 + 6 \div 2 - 5