What is 6 4/5-(1/4+7/10) ?

The solution to 6 4/5-(1/4+7/10) is 5 17/20

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6 4/5-(1/4+7/10)

6 \frac{4}{5} - (\frac{1}{4} + \frac{7}{10})

5 \frac{17}{20}

Solution steps

6 \frac{4}{5} - (\frac{1}{4} + \frac{7}{10})

Convert mixed numbers to improper fractions:

6 \frac{4}{5} = \frac{34}{5}

= \frac{34}{5} - (\frac{1}{4} + \frac{7}{10})

Follow the PEMDAS order of operations

Calculate within parentheses

(\frac{1}{4} + \frac{7}{10}) : \frac{19}{20}

= \frac{34}{5} - \frac{19}{20}

Add and subtract (left to right)

\frac{34}{5} - \frac{19}{20} : \frac{117}{20}

= \frac{117}{20}

Convert improper fractions to mixed numbers:

\frac{117}{20} = 5 \frac{17}{20}

= 5 \frac{17}{20}

3^{3} + 4^{3}

(25 \times 3) + (10 \times 3)

100 - 5 + 5 \div 5

- 1 + (- 1 + (6 - 3)^{2}) \times 1 - 5

0 - (- 2 \times 1)