Solve 4.6+6.4div2

$$4.6+6.4 \div 2$$

Evaluate

$$7.8$$

Solution Steps

Expand \frac{6.4}{2} by multiplying both numerator and the denominator by 10.

$$4.6+\frac{64}{20}$$

Reduce the fraction \frac{64}{20} to lowest terms by extracting and canceling out 4.

$$4.6+\frac{16}{5}$$

Convert decimal number 4.6 to fraction \frac{46}{10}. Reduce the fraction \frac{46}{10} to lowest terms by extracting and canceling out 2.

$$\frac{23}{5}+\frac{16}{5}$$

Since \frac{23}{5} and \frac{16}{5} have the same denominator, add them by adding their numerators.

$$\frac{23+16}{5}$$

Add 23 and 16 to get 39.

$$\frac{39}{5}$$

Factor

$$\frac{3 \cdot 13}{5} = 7\frac{4}{5} = 7.8$$