Question

Calvin brought 6 pounds of fertilizer for his yard.He used1 and 2/3 pounds for his backyards do 1 and 7/9 pounds for his front yard.How much fertilizer is left?

Answer 1

alrighty
convert to improper fractions

1 and 2/3=1+2/3=3/3+2/3=5/3
1 and 7/9=1+7/9=9/9+7/9=16/9

6-5/3-16/9=
make common denomenator of 9
54/9-15/9-16/9=
39/9-16/9=
23/9=
18/9+5/9=
2 and 5/9lb left