What is 3+(-1)-1+1/2 ?

The solution to 3+(-1)-1+1/2 is 1 1/2

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3+(-1)-1+1/2

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

1 \frac{1}{2}

Solution steps

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

Follow the PEMDAS order of operations

Add and subtract (left to right)

Apply rule

+ (- a) = - a

+ (- 1) = - 1

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

3 - 1 = 2

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

2 - 1 = 1

= 1 + \frac{1}{2}

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

= \frac{3}{2}

Convert improper fractions to mixed numbers:

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

= 1 \frac{1}{2}

95 + (- 120 + 65 - 70)

- 46 + 84 + 95 - 218

2^{4} \times 3 \times 5

34 - 67 + 80 + 90 - 87

3 0^{2} \div 2^{2}