Solve 51/4*31/5*3=

$$5 \frac { 1 } { 4 } \times 3 \frac { 1 } { 5 } \times 3 =$$

Evaluate

$$\frac{252}{5}=50.4$$

Solution Steps

Multiply 5 and 4 to get 20.

$$\frac{20+1}{4}\times \frac{3\times 5+1}{5}\times 3$$

Add 20 and 1 to get 21.

$$\frac{21}{4}\times \frac{3\times 5+1}{5}\times 3$$

Multiply 3 and 5 to get 15.

$$\frac{21}{4}\times \frac{15+1}{5}\times 3$$

Add 15 and 1 to get 16.

$$\frac{21}{4}\times \frac{16}{5}\times 3$$

Multiply \frac{21}{4} times \frac{16}{5} by multiplying numerator times numerator and denominator times denominator.

$$\frac{21\times 16}{4\times 5}\times 3$$

Do the multiplications in the fraction \frac{21\times 16}{4\times 5}.

$$\frac{336}{20}\times 3$$

Reduce the fraction \frac{336}{20} to lowest terms by extracting and canceling out 4.

$$\frac{84}{5}\times 3$$

Express \frac{84}{5}\times 3 as a single fraction.

$$\frac{84\times 3}{5}$$

Multiply 84 and 3 to get 252.

$$\frac{252}{5}$$

Factor

$$\frac{2 ^ {2} \cdot 3 ^ {2} \cdot 7}{5} = 50\frac{2}{5} = 50.4$$