Solve 4/10+2/10+3/10

$$\frac { 4 } { 10 } + \frac { 2 } { 10 } + \frac { 3 } { 10 }$$

Evaluate

$$\frac{9}{10}=0.9$$

Solution Steps

Reduce the fraction \frac{4}{10} to lowest terms by extracting and canceling out 2.

$$\frac{2}{5}+\frac{2}{10}+\frac{3}{10}$$

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

$$\frac{2}{5}+\frac{1}{5}+\frac{3}{10}$$

Since \frac{2}{5} and \frac{1}{5} have the same denominator, add them by adding their numerators.

$$\frac{2+1}{5}+\frac{3}{10}$$

Add 2 and 1 to get 3.

$$\frac{3}{5}+\frac{3}{10}$$

Least common multiple of 5 and 10 is 10. Convert \frac{3}{5} and \frac{3}{10} to fractions with denominator 10.

$$\frac{6}{10}+\frac{3}{10}$$

Since \frac{6}{10} and \frac{3}{10} have the same denominator, add them by adding their numerators.

$$\frac{6+3}{10}$$

Add 6 and 3 to get 9.

$$\frac{9}{10}$$

Factor

$$\frac{3 ^ {2}}{2 \cdot 5} = 0.9$$