Question

write -4 4/9 as a improper fraction

Answer 1

numerator is -4*9-4=-40, so -40/9

Answer 2

another way: write the -4 with a denominator of 9 and then subtract 4/9:\[\frac{-4}{1}*\frac{9}{9}-\frac{4}{9}=\frac{-36-4}{9}=\frac{-40}{9}\]