9514 1404 393
Answer:
5/6
Step-by-step explanation:
Addition or subtraction of fractions requires a common denominator. The value 3/3 can be multiplied by 2/2 to give 6/6, which has the same denominator as the other fraction.

Answer:
Should be B
Step-by-step explanation:
-3/5 because you multiply 9/10 by -2/3