Solve 14/5*21/3

$$1 \frac { 4 } { 5 } \times 2 \frac { 1 } { 3 }$$

Evaluate

$$\frac{21}{5}=4.2$$

Solution Steps

Multiply 1 and 5 to get 5.

$$\frac{5+4}{5}\times \frac{2\times 3+1}{3}$$

Add 5 and 4 to get 9.

$$\frac{9}{5}\times \frac{2\times 3+1}{3}$$

Multiply 2 and 3 to get 6.

$$\frac{9}{5}\times \frac{6+1}{3}$$

Add 6 and 1 to get 7.

$$\frac{9}{5}\times \frac{7}{3}$$

Multiply \frac{9}{5} times \frac{7}{3} by multiplying numerator times numerator and denominator times denominator.

$$\frac{9\times 7}{5\times 3}$$

Do the multiplications in the fraction \frac{9\times 7}{5\times 3}.

$$\frac{63}{15}$$

Reduce the fraction \frac{63}{15} to lowest terms by extracting and canceling out 3.

$$\frac{21}{5}$$

Factor

$$\frac{3 \cdot 7}{5} = 4\frac{1}{5} = 4.2$$