Solve 57/9*21/13

$$5 \frac { 7 } { 9 } \cdot 2 \frac { 1 } { 13 }$$

Evaluate

$$12$$

Solution Steps

Multiply 5 and 9 to get 45.

$$\frac{45+7}{9}\times \frac{2\times 13+1}{13}$$

Add 45 and 7 to get 52.

$$\frac{52}{9}\times \frac{2\times 13+1}{13}$$

Multiply 2 and 13 to get 26.

$$\frac{52}{9}\times \frac{26+1}{13}$$

Add 26 and 1 to get 27.

$$\frac{52}{9}\times \frac{27}{13}$$

Multiply \frac{52}{9} times \frac{27}{13} by multiplying numerator times numerator and denominator times denominator.

$$\frac{52\times 27}{9\times 13}$$

Do the multiplications in the fraction \frac{52\times 27}{9\times 13}.

$$\frac{1404}{117}$$

Divide 1404 by 117 to get 12.

$$12$$

Factor

$$2^{2}\times 3$$