Perform the indicated operation and reduce the answer to lowest terms.
-$$\frac { 7 } { 10 } - \frac { 4 } { 5 }$$
A) $- \frac { 3 } { 10 }$
B) $- \frac { 1 } { 10 }$
C) $- \frac { 11 } { 10 }$
D) $\frac { 1 } { 10 }$

Question

Quizplus · Accepted Answer

To subtract the fractions, first find a common denominator. The least common denominator of 10 and 5 is 10. Convert $\frac{4}{5}$ to $\frac{8}{10}$. Then, $\frac{7}{10} - \frac{8}{10} = -\frac{1}{10}$.

Perform the Indicated Operation and Reduce the Answer to Lowest 710−45\frac { 7 } { 10 } - \frac { 4 } { 5 }107​−54​

Perform the Indicated Operation and Reduce the Answer to Lowest $\frac { 7 } { 10 } - \frac { 4 } { 5 }$