Jessie was given the problem 325÷310= to solve. Jessie’s work looks like this:
3/2/5÷3/10=
17/5÷3/10=
17/5⋅3/10=17⋅3/5⋅10
51/50=1/1/50
Jessie’s answer is incorrect. Answer the following questions about Jessie’s work.
a. Find and describe Jessie’s error.
b. What is the correct answer?
a. Jessie's error is in the last step where they write "1/1/50" as the answer. The correct way to represent the division of fractions is by inverting the second fraction and multiplying, not dividing again.
b. The correct answer is 51/50.