Solve 21/6*13/4

$$2 \frac{ 1 }{ 6 } \times 1 \frac{ 3 }{ 4 }$$

Evaluate

$$\frac{91}{24}\approx 3.791666667$$

Solution Steps

Multiply 2 and 6 to get 12.

$$\frac{12+1}{6}\times \frac{1\times 4+3}{4}$$

Add 12 and 1 to get 13.

$$\frac{13}{6}\times \frac{1\times 4+3}{4}$$

Multiply 1 and 4 to get 4.

$$\frac{13}{6}\times \frac{4+3}{4}$$

Add 4 and 3 to get 7.

$$\frac{13}{6}\times \frac{7}{4}$$

Multiply \frac{13}{6} times \frac{7}{4} by multiplying numerator times numerator and denominator times denominator.

$$\frac{13\times 7}{6\times 4}$$

Do the multiplications in the fraction \frac{13\times 7}{6\times 4}.

$$\frac{91}{24}$$

Factor

$$\frac{7 \cdot 13}{2 ^ {3} \cdot 3} = 3\frac{19}{24} = 3.7916666666666665$$