Solve 1+34.5-3.5/4.5-1

$$1+3 \frac{ 4.5-3.5 }{ 4.5-1 }$$

Evaluate

$$\frac{13}{7}\approx 1.857142857$$

Solution Steps

Subtract 3.5 from 4.5 to get 1.

$$1+3\times \frac{1}{4.5-1}$$

Subtract 1 from 4.5 to get 3.5.

$$1+3\times \frac{1}{3.5}$$

Expand \frac{1}{3.5} by multiplying both numerator and the denominator by 10.

$$1+3\times \frac{10}{35}$$

Reduce the fraction \frac{10}{35} to lowest terms by extracting and canceling out 5.

$$1+3\times \frac{2}{7}$$

Express 3\times \frac{2}{7} as a single fraction.

$$1+\frac{3\times 2}{7}$$

Multiply 3 and 2 to get 6.

$$1+\frac{6}{7}$$

Convert 1 to fraction \frac{7}{7}.

$$\frac{7}{7}+\frac{6}{7}$$

Since \frac{7}{7} and \frac{6}{7} have the same denominator, add them by adding their numerators.

$$\frac{7+6}{7}$$

Add 7 and 6 to get 13.

$$\frac{13}{7}$$

Factor

$$\frac{13}{7} = 1\frac{6}{7} = 1.8571428571428572$$