Solve 21/12*18/12=

$$2 \frac { 1 } { 12 } \times 1 \frac { 8 } { 12 } =$$

Evaluate

$$\frac{125}{36}\approx 3.472222222$$

Solution Steps

Multiply 2 and 12 to get 24.

$$\frac{24+1}{12}\times \frac{1\times 12+8}{12}$$

Add 24 and 1 to get 25.

$$\frac{25}{12}\times \frac{1\times 12+8}{12}$$

Multiply 1 and 12 to get 12.

$$\frac{25}{12}\times \frac{12+8}{12}$$

Add 12 and 8 to get 20.

$$\frac{25}{12}\times \frac{20}{12}$$

Reduce the fraction \frac{20}{12} to lowest terms by extracting and canceling out 4.

$$\frac{25}{12}\times \frac{5}{3}$$

Multiply \frac{25}{12} times \frac{5}{3} by multiplying numerator times numerator and denominator times denominator.

$$\frac{25\times 5}{12\times 3}$$

Do the multiplications in the fraction \frac{25\times 5}{12\times 3}.

$$\frac{125}{36}$$

Factor

$$\frac{5 ^ {3}}{2 ^ {2} \cdot 3 ^ {2}} = 3\frac{17}{36} = 3.4722222222222223$$