What is 8/5-1+13/15 ?

The solution to 8/5-1+13/15 is 1 7/15

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8/5-1+13/15

\frac{8}{5} - 1 + \frac{13}{15}

1 \frac{7}{15}

Solution steps

\frac{8}{5} - 1 + \frac{13}{15}

Follow the PEMDAS order of operations

Add and subtract (left to right)

\frac{8}{5} - 1 = \frac{3}{5}

= \frac{3}{5} + \frac{13}{15}

\frac{3}{5} + \frac{13}{15} = \frac{22}{15}

= \frac{22}{15}

Convert improper fractions to mixed numbers:

\frac{22}{15} = 1 \frac{7}{15}

= 1 \frac{7}{15}

- 3^{2} + 4

2 [3 - 2 (4 - 8)]

1 - 2^{2}

4^{2} - 1

18 - 4^{2}