Solve 21/12*4/5

$$2 \frac { 1 } { 12 } \times \frac{ 4 }{ 5 }$$

Evaluate

$$\frac{5}{3}\approx 1.666666667$$

Solution Steps

Multiply 2 and 12 to get 24.

$$\frac{24+1}{12}\times \frac{4}{5}$$

Add 24 and 1 to get 25.

$$\frac{25}{12}\times \frac{4}{5}$$

Multiply \frac{25}{12} times \frac{4}{5} by multiplying numerator times numerator and denominator times denominator.

$$\frac{25\times 4}{12\times 5}$$

Do the multiplications in the fraction \frac{25\times 4}{12\times 5}.

$$\frac{100}{60}$$

Reduce the fraction \frac{100}{60} to lowest terms by extracting and canceling out 20.

$$\frac{5}{3}$$

Factor

$$\frac{5}{3} = 1\frac{2}{3} = 1.6666666666666667$$