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2r/5+7r/15= rewrite the expression by collecting like terms
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2r/5+7r/15= rewrite the expression by collecting like terms

User RobinDotNet
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(2r)/(5) + (7r)/(15) --\ \textgreater \ (2r)/(5) * (3)/(3) = (6r)/(15) --\ \textgreater \ (6r)/(15) + (7r)/(15) --\ \textgreater \ (6r + 7r)/(15) = (13r)/(15)
User Deroby
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2r/5+7r/15=
LCM=15
(15\5=3*2r=6r)
15\15=1*7r=7r
answer=6r+7r\15
answer=13r\15
User Brinsley
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8.2k points
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