Jawabanmu

2014-03-20T20:29:44+07:00
7/15 + 1/12 = 28/60 + 5/60 = 33/60 = 11/20
semoga membantu ya :)
2014-03-20T20:30:35+07:00
= 7/15 + 1/12
= 28/60 + 5/60
= 33/60
= 11/20 

semoga bermanfaat :)
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