Solve 3/40+1/1.7

$$\frac { 3 } { 40 } + \frac { 1 } { 1.7 }$$

Evaluate

$$\frac{451}{680}\approx 0.663235294$$

Solution Steps

Expand \frac{1}{1.7} by multiplying both numerator and the denominator by 10.

$$\frac{3}{40}+\frac{10}{17}$$

Least common multiple of 40 and 17 is 680. Convert \frac{3}{40} and \frac{10}{17} to fractions with denominator 680.

$$\frac{51}{680}+\frac{400}{680}$$

Since \frac{51}{680} and \frac{400}{680} have the same denominator, add them by adding their numerators.

$$\frac{51+400}{680}$$

Add 51 and 400 to get 451.

$$\frac{451}{680}$$

Factor

$$\frac{11 \cdot 41}{5 \cdot 17 \cdot 2 ^ {3}} = 0.663235294117647$$