Solve 3.15+28.07-16div2.5

$$3.15+28.07-16 \div 2.5$$

Evaluate

$$24.82$$

Solution Steps

Add 3.15 and 28.07 to get 31.22.

$$31.22-\frac{16}{2.5}$$

Expand \frac{16}{2.5} by multiplying both numerator and the denominator by 10.

$$31.22-\frac{160}{25}$$

Reduce the fraction \frac{160}{25} to lowest terms by extracting and canceling out 5.

$$31.22-\frac{32}{5}$$

Convert decimal number 31.22 to fraction \frac{3122}{100}. Reduce the fraction \frac{3122}{100} to lowest terms by extracting and canceling out 2.

$$\frac{1561}{50}-\frac{32}{5}$$

Least common multiple of 50 and 5 is 50. Convert \frac{1561}{50} and \frac{32}{5} to fractions with denominator 50.

$$\frac{1561}{50}-\frac{320}{50}$$

Since \frac{1561}{50} and \frac{320}{50} have the same denominator, subtract them by subtracting their numerators.

$$\frac{1561-320}{50}$$

Subtract 320 from 1561 to get 1241.

$$\frac{1241}{50}$$

Factor

$$\frac{17 \cdot 73}{2 \cdot 5 ^ {2}} = 24\frac{41}{50} = 24.82$$