Simplify the algebraic expression by combining similar terms. $\frac { 3 } { 5 } n - \frac { 3 } { 4 } n + \frac { 7 } { 10 } n$
A) $- \frac { 13 } { 20 } n$
B) $\frac { 20 } { 13 } n$
C) $\frac { 13 } { 20 } n$
D) $\frac { 11 } { 20 } n$
E) $\frac { 20 } { 11 } n$

Question

Quizplus · Accepted Answer

To simplify the expression, first find a common denominator for the fractions, which is 20. Convert each term: $ \frac{3}{5}n = \frac{12}{20}n, \frac{3}{4}n = \frac{15}{20}n, \frac{7}{10}n = \frac{14}{20}n $. Adding these gives $ \frac{12}{20}n - \frac{15}{20}n + \frac{14}{20}n = \frac{11}{20}n $.

Simplify the Algebraic Expression by Combining Similar Terms 35n−34n+710n\frac { 3 } { 5 } n - \frac { 3 } { 4 } n + \frac { 7 } { 10 } n53​n−43​n+107​n

Simplify the Algebraic Expression by Combining Similar Terms $\frac { 3 } { 5 } n - \frac { 3 } { 4 } n + \frac { 7 } { 10 } n$