Some exam 1 answers:
11. Explain 13/8
Explain 8/5
12. Compare 9/20 and 9/21
Compare 11/18 and 11/17
13. Common denominator 2/5 and 5/6
Common denominator 2/3 and 5/8
14. Multiply 3/4 and 5/8
Multiply 2/3 and 5/9