0
Anonymous
4/16 + 2/13 = 84/208 or 21/52
Wiki User
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1 13/20
4/20 + 2/13 = 92/260 or 23/65
It is: 13/30
(13/4) + (-5/2) =(13/4) + (-10/4) =(13-10)/4 = 3/4
2/9 + 1/2 is 13/18