Solve (0,7-1/2)*5,5

$$( 0,7 - \frac { 1 } { 2 } ) \cdot 5,5$$

Evaluate

$$1,1$$

Solution Steps

Convert decimal number 0,7 to fraction \frac{7}{10}.

$$\left(\frac{7}{10}-\frac{1}{2}\right)\times 5,5$$

Least common multiple of 10 and 2 is 10. Convert \frac{7}{10} and \frac{1}{2} to fractions with denominator 10.

$$\left(\frac{7}{10}-\frac{5}{10}\right)\times 5,5$$

Since \frac{7}{10} and \frac{5}{10} have the same denominator, subtract them by subtracting their numerators.

$$\frac{7-5}{10}\times 5,5$$

Subtract 5 from 7 to get 2.

$$\frac{2}{10}\times 5,5$$

Reduce the fraction \frac{2}{10} to lowest terms by extracting and canceling out 2.

$$\frac{1}{5}\times 5,5$$

Convert decimal number 5,5 to fraction \frac{55}{10}. Reduce the fraction \frac{55}{10} to lowest terms by extracting and canceling out 5.

$$\frac{1}{5}\times \frac{11}{2}$$

Multiply \frac{1}{5} times \frac{11}{2} by multiplying numerator times numerator and denominator times denominator.

$$\frac{1\times 11}{5\times 2}$$

Do the multiplications in the fraction \frac{1\times 11}{5\times 2}.

$$\frac{11}{10}$$

Factor

$$\frac{11}{2 \cdot 5} = 1\frac{1}{10} = 1.1$$