Add, first finding the LCD. Simplify, if possible.
-$\frac { 4 } { 5 } + \frac { 1 } { 4 }$
A) $\frac { 5 } { 9 }$
B) $\frac { 7 } { 3 }$
C) $\frac { 1 } { 4 }$
D) $\frac { 21 } { 20 }$

Question

Quizplus · Accepted Answer

The LCD of 5 and 4 is 20. Converting both fractions to have a denominator of 20 gives $\frac{16}{20} + \frac{5}{20} = \frac{21}{20}$.

Add, First Finding the LCD 45+14\frac { 4 } { 5 } + \frac { 1 } { 4 }54​+41​

Add, First Finding the LCD $\frac { 4 } { 5 } + \frac { 1 } { 4 }$