Solve 21/4*31/3

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

Evaluate

$$\frac{15}{2}=7.5$$

Solution Steps

Multiply 2 and 4 to get 8.

$$\frac{8+1}{4}\times \frac{3\times 3+1}{3}$$

Add 8 and 1 to get 9.

$$\frac{9}{4}\times \frac{3\times 3+1}{3}$$

Multiply 3 and 3 to get 9.

$$\frac{9}{4}\times \frac{9+1}{3}$$

Add 9 and 1 to get 10.

$$\frac{9}{4}\times \frac{10}{3}$$

Multiply \frac{9}{4} times \frac{10}{3} by multiplying numerator times numerator and denominator times denominator.

$$\frac{9\times 10}{4\times 3}$$

Do the multiplications in the fraction \frac{9\times 10}{4\times 3}.

$$\frac{90}{12}$$

Reduce the fraction \frac{90}{12} to lowest terms by extracting and canceling out 6.

$$\frac{15}{2}$$

Factor

$$\frac{3 \cdot 5}{2} = 7\frac{1}{2} = 7.5$$