Solve 12/13-2/91=

$$\frac { 12 } { 13 } - \frac { 2 } { 91 } =$$

Evaluate

$$\frac{82}{91}\approx 0.901098901$$

Solution Steps

Least common multiple of 13 and 91 is 91. Convert \frac{12}{13} and \frac{2}{91} to fractions with denominator 91.

$$\frac{84}{91}-\frac{2}{91}$$

Since \frac{84}{91} and \frac{2}{91} have the same denominator, subtract them by subtracting their numerators.

$$\frac{84-2}{91}$$

Subtract 2 from 84 to get 82.

$$\frac{82}{91}$$

Factor

$$\frac{2 \cdot 41}{7 \cdot 13} = 0.9010989010989011$$