Answers

2015-11-08T22:20:48+08:00
1/7 + 2/14 = 4/14 
5/10 + 10/20 = 1 
1/4 + 1/24 = 7/24 
5/20 + 1/10 = 7/20 
9/18 + 1/36 = 19/36 
1/2 + 1/4 = 3/4 
3/4 + 1/2 = 1 1/4 
1/3 + 7/12 = 11/12 
5/100 + 5/1000 = 55/1000 
7/20 + 3/10 = 13/20 
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