What is (31-27)+(1/3-1/4) ?

The solution to (31-27)+(1/3-1/4) is 4 1/12

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(31-27)+(1/3-1/4)

(31 - 27) + (\frac{1}{3} - \frac{1}{4})

4 \frac{1}{12}

Solution steps

(31 - 27) + (\frac{1}{3} - \frac{1}{4})

Follow the PEMDAS order of operations

Calculate within parentheses

(31 - 27) : 4

= 4 + (\frac{1}{3} - \frac{1}{4})

Calculate within parentheses

(\frac{1}{3} - \frac{1}{4}) : \frac{1}{12}

= 4 + \frac{1}{12}

Add and subtract (left to right)

4 + \frac{1}{12} : \frac{49}{12}

= \frac{49}{12}

Convert improper fractions to mixed numbers:

\frac{49}{12} = 4 \frac{1}{12}

= 4 \frac{1}{12}

\frac{1}{2} (- 9) + 1

(81 \div 9) + 25 - 17 \times 2

- 2 \times (- 7 + 18) - (9 - 28 \div 7) \times 3

3^{2} \cdot 5

18 \times 3 \times 2 - 1 - 5 \times 2 \times 3 - 9