Solve 31/4*35/4

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

Evaluate

$$\frac{221}{16}=13.8125$$

Solution Steps

Multiply 3 and 4 to get 12.

$$\frac{12+1}{4}\times \frac{3\times 4+5}{4}$$

Add 12 and 1 to get 13.

$$\frac{13}{4}\times \frac{3\times 4+5}{4}$$

Multiply 3 and 4 to get 12.

$$\frac{13}{4}\times \frac{12+5}{4}$$

Add 12 and 5 to get 17.

$$\frac{13}{4}\times \frac{17}{4}$$

Multiply \frac{13}{4} times \frac{17}{4} by multiplying numerator times numerator and denominator times denominator.

$$\frac{13\times 17}{4\times 4}$$

Do the multiplications in the fraction \frac{13\times 17}{4\times 4}.

$$\frac{221}{16}$$

Factor

$$\frac{13 \cdot 17}{2 ^ {4}} = 13\frac{13}{16} = 13.8125$$