Question

Is 28/81 less than 7/9.Is 28/81 less than 4/9?

Answer 1

28/81 is less than 7/9

28/81 is less than 4/9

The common denominator is 81, so you say 9 can go into 81 nine times, so you multiply 9 by the numerator, so 7/9 is now 63/81 an 4/9 is now 36/81