Jawabanmu

2014-09-11T17:30:28+07:00
2/3 + 2 1/2 + 3 1/4 = 2/3 + 5/2 + 13/4 
= 8/12 + 30/12 + 39/12 = 77/12 = 6 ⁵/₁₂
8/12 + 30/12 + 39/12 = 77/12
77/12 = 6 5/12
2014-09-11T17:33:06+07:00
2/3 + 2 1/2 + 3 1/4 = (2+3) + (2/3+1/2+1/4)= 5 + (8/12 + 6/12 + 3/12) =  5 + 17/12 = 5+ 1 5/12 = 6 5/12.
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