What is (20-1/10)-(8-1/25) ?

The solution to (20-1/10)-(8-1/25) is 11 47/50

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(20-1/10)-(8-1/25)

(20 - \frac{1}{10}) - (8 - \frac{1}{25})

11 \frac{47}{50}

Solution steps

(20 - \frac{1}{10}) - (8 - \frac{1}{25})

Follow the PEMDAS order of operations

Calculate within parentheses

(20 - \frac{1}{10}) : \frac{199}{10}

= \frac{199}{10} - (8 - \frac{1}{25})

Calculate within parentheses

(8 - \frac{1}{25}) : \frac{199}{25}

= \frac{199}{10} - \frac{199}{25}

Add and subtract (left to right)

\frac{199}{10} - \frac{199}{25} : \frac{597}{50}

= \frac{597}{50}

Convert improper fractions to mixed numbers:

\frac{597}{50} = 11 \frac{47}{50}

= 11 \frac{47}{50}

37 5^{2} - 37 4^{2}

2^{2} - 81

(- 2) (3) + (- 5) (- 4) - (2) (- 7)

\frac{1}{2} \cdot (12 + 8)

- 4 - 3^{2} + 3^{2} \cdot (- 2)