Question

$frac{7}{9} - frac{47}{72}$

Answer 1

7/9-47/72=56/72-47/72=9/72=1/8

Answer 2

$frac{7}{9} - frac{47}{72} = frac{56}{72} - frac{47}{72} = frac{56-47}{72} = frac{9}{72} = frac{1}{8}$