What is (1/4-2/5)\div (1/2-1/5) ?

The solution to (1/4-2/5)\div (1/2-1/5) is -1/2

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(1/4-2/5)\div (1/2-1/5)

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

- \frac{1}{2}

Solution steps

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

Follow the PEMDAS order of operations

Calculate within parentheses

(\frac{1}{4} - \frac{2}{5}) : - \frac{3}{20}

= - \frac{3}{20} \div (\frac{1}{2} - \frac{1}{5})

Calculate within parentheses

(\frac{1}{2} - \frac{1}{5}) : \frac{3}{10}

= - \frac{3}{20} \div \frac{3}{10}

Multiply and divide (left to right)

- \frac{3}{20} \div \frac{3}{10} : - \frac{1}{2}

= - \frac{1}{2}

- 4 (9 - 3 z) > - 41

4 x^{4} - 8 x^{3} + 28 x^{2}

\frac{9 !}{( 9 - 4 ) ! 4 !}

3 x^{2} + 18 x + 15 = 0

\frac{4 uv - 20 u w}{4 u}

What is (1/4-2/5)\div (1/2-1/5) ?
The solution to (1/4-2/5)\div (1/2-1/5) is -1/2