Solve 21/3*57/9

$$2 \frac { 1 } { 3 } \cdot 5 \frac { 7 } { 9 }$$

Evaluate

$$\frac{364}{27}\approx 13.481481481$$

Solution Steps

Multiply 2 and 3 to get 6.

$$\frac{6+1}{3}\times \frac{5\times 9+7}{9}$$

Add 6 and 1 to get 7.

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

Multiply 5 and 9 to get 45.

$$\frac{7}{3}\times \frac{45+7}{9}$$

Add 45 and 7 to get 52.

$$\frac{7}{3}\times \frac{52}{9}$$

Multiply \frac{7}{3} times \frac{52}{9} by multiplying numerator times numerator and denominator times denominator.

$$\frac{7\times 52}{3\times 9}$$

Do the multiplications in the fraction \frac{7\times 52}{3\times 9}.

$$\frac{364}{27}$$

Factor

$$\frac{2 ^ {2} \cdot 7 \cdot 13}{3 ^ {3}} = 13\frac{13}{27} = 13.481481481481481$$