Solve 1/2(8-4,25)15

$$\frac { 1 } { 2 } ( 8 - 4,25 ) 15$$

Evaluate

$$28,125$$

Solution Steps

Subtract 4,25 from 8 to get 3,75.

$$\frac{1}{2}\times 3,75\times 15$$

Convert decimal number 3,75 to fraction \frac{375}{100}. Reduce the fraction \frac{375}{100} to lowest terms by extracting and canceling out 25.

$$\frac{1}{2}\times \frac{15}{4}\times 15$$

Multiply \frac{1}{2} times \frac{15}{4} by multiplying numerator times numerator and denominator times denominator.

$$\frac{1\times 15}{2\times 4}\times 15$$

Do the multiplications in the fraction \frac{1\times 15}{2\times 4}.

$$\frac{15}{8}\times 15$$

Express \frac{15}{8}\times 15 as a single fraction.

$$\frac{15\times 15}{8}$$

Multiply 15 and 15 to get 225.

$$\frac{225}{8}$$

Factor

$$\frac{3 ^ {2} \cdot 5 ^ {2}}{2 ^ {3}} = 28\frac{1}{8} = 28.125$$