Add and simplify.
-$\frac { 2 } { 5 } + \frac { 1 } { 10 }$
A) $\frac { 1 } { 2 }$
B) $\frac { 3 } { 10 }$
C) $\frac { 13 } { 25 }$
D) $\frac { 1 } { 5 }$

Question

Quizplus · Accepted Answer

To add fractions, they must have a common denominator. The least common denominator (LCD) of 5 and 10 is 10. Convert $\frac{2}{5}$ to $\frac{4}{10}$ by multiplying both the numerator and denominator by 2. Then, add $\frac{4}{10} + \frac{1}{10} = \frac{5}{10}$, which simplifies to $\frac{1}{2}$.

Add and Simplify 25+110\frac { 2 } { 5 } + \frac { 1 } { 10 }52​+101​

Add and Simplify $\frac { 2 } { 5 } + \frac { 1 } { 10 }$