What is 5/9 of 72 =
40 because you can cancel 9 and 72 it will be left with 8 x 5 which is 40
\(\frac{5}{9} * \frac{72}{1} \\ \\ \frac{5}{9} * \frac{72}{1}= \frac{40}{1} \\ \\ \frac{40}{1}=40 \\\)