Which expression is equivalent to 54 72?

To find an expression equivalent to 54 ÷ 72, we can simplify the fraction by dividing both numbers by their greatest common factor, which is 18. So, 54 ÷ 18 = 3 and 72 ÷ 18 = 4. Therefore, the expression equivalent to 54 ÷ 72 is 3 ÷ 4, which simplifies to 3/4.