4-1/2+1

Solution

4 - \frac{1}{2} + 1

4 \frac{1}{2}

Solution steps

4 - \frac{1}{2} + 1

Follow the PEMDAS order of operations

Add and subtract (left to right)

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

= \frac{7}{2} + 1

\frac{7}{2} + 1 = \frac{9}{2}

= \frac{9}{2}

Convert improper fractions to mixed numbers:

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

= 4 \frac{1}{2}

(7 + 12 \div 2) + 40 \div 4

6 (8)^{2}

- 3 (3)^{2} + 6 (3)

2^{0} - 1

20 - 60 + 45