What is (1+2/7)+(2-10/7) ?

The solution to (1+2/7)+(2-10/7) is 1 6/7

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(1+2/7)+(2-10/7)

(1 + \frac{2}{7}) + (2 - \frac{10}{7})

1 \frac{6}{7}

Solution steps

(1 + \frac{2}{7}) + (2 - \frac{10}{7})

Follow the PEMDAS order of operations

Calculate within parentheses

(1 + \frac{2}{7}) : \frac{9}{7}

= \frac{9}{7} + (2 - \frac{10}{7})

Calculate within parentheses

(2 - \frac{10}{7}) : \frac{4}{7}

= \frac{9}{7} + \frac{4}{7}

Add and subtract (left to right)

\frac{9}{7} + \frac{4}{7} : \frac{13}{7}

= \frac{13}{7}

Convert improper fractions to mixed numbers:

\frac{13}{7} = 1 \frac{6}{7}

= 1 \frac{6}{7}

1^{2} + 5

1^{2} - 3

\frac{- 3}{5} (\frac{2}{3} - 1) - \frac{4}{3}

2^{3} + 3^{2}

2 (- 3) - 1