Solve 7.4+8.7+8.2div3

$$7.4+8.7+8.2 \div 3$$

Evaluate

$$\frac{113}{6}\approx 18.833333333$$

Solution Steps

Add 7.4 and 8.7 to get 16.1.

$$16.1+\frac{8.2}{3}$$

Expand \frac{8.2}{3} by multiplying both numerator and the denominator by 10.

$$16.1+\frac{82}{30}$$

Reduce the fraction \frac{82}{30} to lowest terms by extracting and canceling out 2.

$$16.1+\frac{41}{15}$$

Convert decimal number 16.1 to fraction \frac{161}{10}.

$$\frac{161}{10}+\frac{41}{15}$$

Least common multiple of 10 and 15 is 30. Convert \frac{161}{10} and \frac{41}{15} to fractions with denominator 30.

$$\frac{483}{30}+\frac{82}{30}$$

Since \frac{483}{30} and \frac{82}{30} have the same denominator, add them by adding their numerators.

$$\frac{483+82}{30}$$

Add 483 and 82 to get 565.

$$\frac{565}{30}$$

Reduce the fraction \frac{565}{30} to lowest terms by extracting and canceling out 5.

$$\frac{113}{6}$$

Factor

$$\frac{113}{2 \cdot 3} = 18\frac{5}{6} = 18.833333333333332$$