Adding Two Fractions

What is $\dfrac{3}{4} + \dfrac{4}{9}$?
A. $\dfrac{43}{36}$
B. $\dfrac{7}{13}$
C. $1$
D. $\dfrac{79}{36}$
E. $\dfrac{14}{13}$
 

Test 20 (Worksheet created by tester01@cafalab.com)

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Test 24

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