### Home > MC1 > Chapter 7 > Lesson 7.2.2 > Problem7-48

7-48.

Which of the following fractions could you add together easily? Explain.

$\frac { 5 } { 7 }$, $\frac { 2 } { 3 }$, $\frac { 1 } { 4 }$, $\frac { 4 } { 3 }$, $\frac { 7 } { 5 }$, $\frac { 1 } { 2 }$, $\frac { 9 } { 10 }$, $\frac { 1 } { 5 }$, $\frac { 5 } { 6 }$, $\frac { 1 } { 7 }$, $\frac { 2 } { 2 }$