Erin and Ethan add the fractions 2 and 1 z. Look at
their work below.
How are the
pictures for the two
answers alike?
Erin 25+1
2 / 2
212-23 131
+
Ethan
2}+1
234-21 16- = 1
10
12
Both Erin's and Ethan's answers are correct. Use
pictures to explain why this is true.
