Solve 511/2*51/2*4=

$$5 \frac { 11 } { 2 } \times 5 \frac { 1 } { 2 } \times 4 =$$

Evaluate

$$231$$

Solution Steps

Multiply 5 and 2 to get 10.

$$\frac{10+11}{2}\times \frac{5\times 2+1}{2}\times 4$$

Add 10 and 11 to get 21.

$$\frac{21}{2}\times \frac{5\times 2+1}{2}\times 4$$

Multiply 5 and 2 to get 10.

$$\frac{21}{2}\times \frac{10+1}{2}\times 4$$

Add 10 and 1 to get 11.

$$\frac{21}{2}\times \frac{11}{2}\times 4$$

Multiply \frac{21}{2} times \frac{11}{2} by multiplying numerator times numerator and denominator times denominator.

$$\frac{21\times 11}{2\times 2}\times 4$$

Do the multiplications in the fraction \frac{21\times 11}{2\times 2}.

$$\frac{231}{4}\times 4$$

Cancel out 4 and 4.

$$231$$

Factor

$$3\times 7\times 11$$