14/27+5/9=(14+15)/27=29/27=1 2/27
4/12+21/30=1/3+7/10=(10+21)/30=31/30=1 1/30
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14/27+5/9=(14+15)/27=29/27=1 2/27
4/12+21/30=1/3+7/10=(10+21)/30=31/30=1 1/30