Answer:
She gave 5/8 to Gary.
Step-by-step explanation:
1 3/8 as an improper fraction is 11/8. 11/8 - 6/8 is 5/8.
Commutative property of multiplication is what the property is called.
A * B = B * A
Where both 'A' and 'B' are expressions.
Hope this helps!