What is (3+1/4)(1-4/5) ?

The solution to (3+1/4)(1-4/5) is 13/20

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(3+1/4)(1-4/5)

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

\frac{13}{20}

Solution steps

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

Follow the PEMDAS order of operations

Calculate within parentheses

(3 + \frac{1}{4}) : \frac{13}{4}

= \frac{13}{4} (1 - \frac{4}{5})

Calculate within parentheses

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

= \frac{13}{4} \cdot \frac{1}{5}

Multiply and divide (left to right)

\frac{13}{4} \cdot \frac{1}{5} : \frac{13}{20}

= \frac{13}{20}

\frac{1}{2} \cdot 4.3 \cdot 1 0^{6} \cdot 1800

(\frac{11}{5})^{2}

\frac{1}{2} = 1

(- \frac{1}{2})^{4}

\frac{3}{2} - \frac{4}{3}