Subtract and simplify.
-$\frac { 8 } { 15 } - \frac { 1 } { 20 }$
A) $\frac { 1 } { 2 }$
B) $\frac { 29 } { 60 }$
C) $\frac { 27 } { 60 }$
D) $\frac { 7 } { 15 }$

Question

Quizplus · Accepted Answer

To subtract fractions, they must have a common denominator. The least common multiple of 15 and 20 is 60. Convert each fraction: $\frac{8}{15} = \frac{32}{60}$ and $\frac{1}{20} = \frac{3}{60}$. Subtracting gives $\frac{32}{60} - \frac{3}{60} = \frac{29}{60}$.

Subtract and Simplify 815−120\frac { 8 } { 15 } - \frac { 1 } { 20 }158​−201​

Subtract and Simplify $\frac { 8 } { 15 } - \frac { 1 } { 20 }$