Solve 36div9+3.4-18div+8=

$$36 \div 9+3.4-18 \div +8=$$

Evaluate

$$5.15$$

Solution Steps

Divide 36 by 9 to get 4.

$$4+3.4-\frac{18}{8}$$

Add 4 and 3.4 to get 7.4.

$$7.4-\frac{18}{8}$$

Reduce the fraction \frac{18}{8} to lowest terms by extracting and canceling out 2.

$$7.4-\frac{9}{4}$$

Convert decimal number 7.4 to fraction \frac{74}{10}. Reduce the fraction \frac{74}{10} to lowest terms by extracting and canceling out 2.

$$\frac{37}{5}-\frac{9}{4}$$

Least common multiple of 5 and 4 is 20. Convert \frac{37}{5} and \frac{9}{4} to fractions with denominator 20.

$$\frac{148}{20}-\frac{45}{20}$$

Since \frac{148}{20} and \frac{45}{20} have the same denominator, subtract them by subtracting their numerators.

$$\frac{148-45}{20}$$

Subtract 45 from 148 to get 103.

$$\frac{103}{20}$$

Factor

$$\frac{103}{5 \cdot 2 ^ {2}} = 5\frac{3}{20} = 5.15$$