Add.
-$$- \frac { 3 } { 8 } + \frac { 7 } { 9 }$$
A) $\frac { 4 } { 9 }$
B) $\frac { 29 } { 72 }$
C) $\frac { 1 } { 18 }$
D) $\frac { 29 } { 9 }$

Question

Quizplus · Accepted Answer

To add fractions with different denominators, find a common denominator, which in this case is 72. Convert each fraction: $-\frac{3}{8} = -\frac{27}{72}$ and $\frac{7}{9} = \frac{56}{72}$. Adding these gives $\frac{29}{72}$.

Add - −38+79- \frac { 3 } { 8 } + \frac { 7 } { 9 }−83​+97​

Add
- $- \frac { 3 } { 8 } + \frac { 7 } { 9 }$