Solve 3.9*72/78

$$3.9 \times \frac{ 72 }{ 78 }$$

Evaluate

$$3.6$$

Solution Steps

Reduce the fraction \frac{72}{78} to lowest terms by extracting and canceling out 6.

$$3.9\times \frac{12}{13}$$

Convert decimal number 3.9 to fraction \frac{39}{10}.

$$\frac{39}{10}\times \frac{12}{13}$$

Multiply \frac{39}{10} times \frac{12}{13} by multiplying numerator times numerator and denominator times denominator.

$$\frac{39\times 12}{10\times 13}$$

Do the multiplications in the fraction \frac{39\times 12}{10\times 13}.

$$\frac{468}{130}$$

Reduce the fraction \frac{468}{130} to lowest terms by extracting and canceling out 26.

$$\frac{18}{5}$$

Factor

$$\frac{2 \cdot 3 ^ {2}}{5} = 3\frac{3}{5} = 3.6$$