8-2/5+7/10

Solution

8 - \frac{2}{5} + \frac{7}{10}

8 \frac{3}{10}

Solution steps

8 - \frac{2}{5} + \frac{7}{10}

Follow the PEMDAS order of operations

Add and subtract (left to right)

8 - \frac{2}{5} = \frac{38}{5}

= \frac{38}{5} + \frac{7}{10}

\frac{38}{5} + \frac{7}{10} = \frac{83}{10}

= \frac{83}{10}

Convert improper fractions to mixed numbers:

\frac{83}{10} = 8 \frac{3}{10}

= 8 \frac{3}{10}

4 8^{2} + 1 4^{2}

5 - 3^{2}

1 5^{2} + 1 5^{2}

3 (3)^{2} - 18 (3) + 24

3 (- 2) + 1