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 was in the step where they multiplied 17/5 by 3/10. Instead of multiplying the numerators and denominators separately, they multiplied the whole fractions together.
b. The correct answer is 51/50 or 1 1/50.