a. 3/4 is greater than 11/16.
Reasoning: The least common denominator is 16
Comparing 12/16 and 11/16: 12/16 > 11/16 so 3/4 is greater than 11/16
b. 5/7 is greater than 34/49
Reasoning: The least common denominator is 49
Comparing 35/49 and 34/49: 35/49 > 34/49
c. 11/30 is greater than 3/10
Reasoning: The least common denominator is 30
Comparing 11/30 and 9/30: 11/30 > 9/30
d. 12/27 is equal to 4/9
Reasoning: The least common denominator is 27
Comparing 12/27 and 12/27: 12/27 = 12/27
I hope this helps! Good luck (:
