0
Anonymous
(t + 2)/3 + (t - 4)/6 (the common denominator 6)
= [(t + 2)(2)]/(3)(2) + (t - 4)/6
= (2t + 4)/6 + (t - 4)/6
= (2t + 4 + t - 4)/6
= 3t/6
= t/2
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