Answer:
please see detailed answers below
Explanation:
to divide one fraction by another, just multiply the 2nd one upside down.
1) 2/7 ÷ 1/3 = 2/7 X 3/1 = 6/7
12) 1/2 ÷ 1/8 = 1/2 X 8/1 = 8/2 = 4
13) 3/8 ÷ 1/4 = 3/8 X 4/1 = 12/8 = 3/2
14) 2/5 ÷ 3/10 = 2/5 X 10/3 = 20/15 = 4/3