Solve 1/4*1/3*20/1*12/1=

$$\frac { 1 } { 4 } \times \frac { 1 } { 3 } \times \frac { 20 } { 1 } \times \frac { 12 } { 1 } =$$

Evaluate

$$20$$

Solution Steps

Multiply \frac{1}{4} times \frac{1}{3} by multiplying numerator times numerator and denominator times denominator.

$$\frac{1\times 1}{4\times 3}\times \frac{20}{1}\times \frac{12}{1}$$

Do the multiplications in the fraction \frac{1\times 1}{4\times 3}.

$$\frac{1}{12}\times \frac{20}{1}\times \frac{12}{1}$$

Anything divided by one gives itself.

$$\frac{1}{12}\times 20\times \frac{12}{1}$$

Multiply \frac{1}{12} and 20 to get \frac{20}{12}.

$$\frac{20}{12}\times \frac{12}{1}$$

Reduce the fraction \frac{20}{12} to lowest terms by extracting and canceling out 4.

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

Anything divided by one gives itself.

$$\frac{5}{3}\times 12$$

Express \frac{5}{3}\times 12 as a single fraction.

$$\frac{5\times 12}{3}$$

Multiply 5 and 12 to get 60.

$$\frac{60}{3}$$

Divide 60 by 3 to get 20.

$$20$$

Factor

$$2^{2}\times 5$$