1/2 (1+2)

Solution

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

1 \frac{1}{2}

Solution steps

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

Follow the PEMDAS order of operations

Calculate within parentheses

(1 + 2) : 3

= \frac{1}{2} \cdot 3

Multiply and divide (left to right)

\frac{1}{2} \cdot 3 : \frac{3}{2}

= \frac{3}{2}

Convert improper fractions to mixed numbers:

\frac{3}{2} = 1 \frac{1}{2}

= 1 \frac{1}{2}

2 + 3 \times 23 - 24 \div (12 - 9)

108 + 91 - 128

8 - (3 + 4)

- 1 + 2 (\frac{2}{3})

5 + 10 - 2^{3}