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sofia58 sofia58
  • 16-02-2017
  • Mathematics
Answered

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

Verified Answer :

MohamedSharif
MohamedSharif MohamedSharif
  • 16-02-2017

2r/5+7r/15=
LCM=15
(15\5=32r=6r)
15\15=17r=7r
answer=6r+7r\15
answer=13r\15

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deadlykittenxo
deadlykittenxo deadlykittenxo
  • 16-02-2017

\(\frac{2r}{5} + \frac{7r}{15} --\ \textgreater \ \frac{2r}{5} * \frac{3}{3} = \frac{6r}{15} --\ \textgreater \ \frac{6r}{15} + \frac{7r}{15} --\ \textgreater \ \frac{6r + 7r}{15} = \frac{13r}{15}\)

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