Solve 31/2*21/2

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

Evaluate

$$\frac{35}{4}=8.75$$

Solution Steps

Multiply 3 and 2 to get 6.

$$\frac{6+1}{2}\times \frac{2\times 2+1}{2}$$

Add 6 and 1 to get 7.

$$\frac{7}{2}\times \frac{2\times 2+1}{2}$$

Multiply 2 and 2 to get 4.

$$\frac{7}{2}\times \frac{4+1}{2}$$

Add 4 and 1 to get 5.

$$\frac{7}{2}\times \frac{5}{2}$$

Multiply \frac{7}{2} times \frac{5}{2} by multiplying numerator times numerator and denominator times denominator.

$$\frac{7\times 5}{2\times 2}$$

Do the multiplications in the fraction \frac{7\times 5}{2\times 2}.

$$\frac{35}{4}$$

Factor

$$\frac{5 \cdot 7}{2 ^ {2}} = 8\frac{3}{4} = 8.75$$