What is (-1 1/3)+(1-1/5) ?

The solution to (-1 1/3)+(1-1/5) is -8/15

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(-1 1/3)+(1-1/5)

(- 1 \frac{1}{3}) + (1 - \frac{1}{5})

- \frac{8}{15}

Solution steps

(- 1 \frac{1}{3}) + (1 - \frac{1}{5})

Convert mixed numbers to improper fractions:

1 \frac{1}{3} = \frac{4}{3}

= (- \frac{4}{3}) + (1 - \frac{1}{5})

Follow the PEMDAS order of operations

Calculate within parentheses

(1 - \frac{1}{5}) : \frac{4}{5}

= (- \frac{4}{3}) + \frac{4}{5}

Add and subtract (left to right)

(- \frac{4}{3}) + \frac{4}{5} : - \frac{8}{15}

= - \frac{8}{15}

12 - 4 \times (5 + 3)

(- 2)^{3} \times (- 2)

12 - 24 - 36 - 48

3 (5) - 4

3 (5) - 1