Solve 21/9-7/6=

$$2 \frac { 1 } { 9 } - \frac { 7 } { 6 } =$$

Evaluate

$$\frac{17}{18}\approx 0.944444444$$

Solution Steps

Multiply 2 and 9 to get 18.

$$\frac{18+1}{9}-\frac{7}{6}$$

Add 18 and 1 to get 19.

$$\frac{19}{9}-\frac{7}{6}$$

Least common multiple of 9 and 6 is 18. Convert \frac{19}{9} and \frac{7}{6} to fractions with denominator 18.

$$\frac{38}{18}-\frac{21}{18}$$

Since \frac{38}{18} and \frac{21}{18} have the same denominator, subtract them by subtracting their numerators.

$$\frac{38-21}{18}$$

Subtract 21 from 38 to get 17.

$$\frac{17}{18}$$

Factor

$$\frac{17}{2 \cdot 3 ^ {2}} = 0.9444444444444444$$