ok, so you want to get a common denominator first
2/3 + 10/5 + 8/2
find what factor does 3, 5, and 2 have in common,
one common factor is 30
so now we convert into 30th's
20/30 + 60/30 + 120/30 = 200/30
simplify and 200/30 = 6.66666 repeating
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