Choose the Pair of Rational Numbers That Are Between the Given

Multiple Choice

Choose the pair of rational numbers that are between the given fractions.
- $\frac { 2 } { 5 }$ and $\frac { 3 } { 5 }$

A) $\frac { 7 } { 15 } , \frac { 8 } { 15 }$
B) $\frac { 9 } { 20 } , \frac { 13 } { 20 }$
C) $\frac { 5 } { 10 } , \frac { 7 } { 10 }$
D) $\frac { 6 } { 15 } , \frac { 9 } { 15 }$