Add and simplify.
-$\frac { 1 } { 16 } + \frac { 6 } { 5 } + \frac { 7 } { 20 }$
A) $\frac { 14 } { 41 }$
B) $\frac { 129 } { 80 }$
C) $\frac { 7 } { 40 }$
D) $\frac { 129 } { 41 }$

Question

Quizplus · Accepted Answer

To add fractions, they must have a common denominator. The least common multiple (LCM) of 16, 5, and 20 is 80. Converting each fraction to have a denominator of 80 gives: $\frac{5}{80} + \frac{96}{80} + \frac{28}{80}$. Adding these together gives $\frac{129}{80}$.

Add and Simplify 116+65+720\frac { 1 } { 16 } + \frac { 6 } { 5 } + \frac { 7 } { 20 }161​+56​+207​

Add and Simplify $\frac { 1 } { 16 } + \frac { 6 } { 5 } + \frac { 7 } { 20 }$