Answer:
Step-by-step explanation:
Remark
The simplest way is to change the fractions to decimals.
Givens
8 3/10 = 8.3
1 2/5 = 1.4
2 1/3 = 2.3333333
4 3/5 = 4.6
Formula
Left over Ribbon = What she bought - bow - package amount + Joe
Solution
Left over ribbon = 8.3 - 2.3333 - 1.4 + 4.6
Left over ribbon = 9.1666
0.1666667 = 1/6
So if you need the fraction, it is 9 1/6