Subtract as indicated, and express your answer in lowest terms. $- \frac { 1 } { 13 } - \frac { 10 } { 39 }$
A) $- \frac { 1 } { 3 }$
B) $\frac { 1 } { 2 }$
C) $\frac { 1 } { 3 }$
D) $\frac { 2 } { 3 }$
E) $- \frac { 2 } { 3 }$

Question

Quizplus · Accepted Answer

To subtract the fractions, first find a common denominator, which is 39. The first fraction becomes $-\frac{3}{39}$ and the second is $-\frac{10}{39}$. Adding these gives $-\frac{13}{39}$, which simplifies to $-\frac{1}{3}$.

Subtract as Indicated, and Express Your Answer in Lowest Terms −113−1039- \frac { 1 } { 13 } - \frac { 10 } { 39 }−131​−3910​

Subtract as Indicated, and Express Your Answer in Lowest Terms $- \frac { 1 } { 13 } - \frac { 10 } { 39 }$