Add, first finding the LCD. Simplify, if possible.
-$\frac{8}{9}+\frac{2}{7}$
A) $\frac{37}{8}$
B) $\frac{10}{63}$
C) $\frac{74}{63}$
D) $\frac{5}{8}$

Question

Quizplus · Accepted Answer

The LCD of 9 and 7 is 63. Converting each fraction to have this denominator gives $\frac{8}{9} * \frac{7}{7} = \frac{56}{63}$ and $\frac{2}{7} * \frac{9}{9} = \frac{18}{63}$. Adding these gives $\frac{56}{63} + \frac{18}{63} = \frac{74}{63}$.

Add, First Finding the LCD 89+27\frac{8}{9}+\frac{2}{7}98​+72​ A) 378\frac{37}{8}837​ B) 1063\frac{10}{63}6310​ C) 7463\frac{74}{63}6374​ D) 58\frac{5}{8}85​

Add, First Finding the LCD $\frac{8}{9}+\frac{2}{7}$ A) $\frac{37}{8}$ B) $\frac{10}{63}$ C) $\frac{74}{63}$ D) $\frac{5}{8}$