Hi811181 Hi811181
  • 21-08-2017
  • Mathematics
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simplify 5/7r-2/7r......

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ivycoveredwalls
ivycoveredwalls ivycoveredwalls
  • 21-08-2017
[tex]\frac{5}{7r}-\frac{2}{7r}[/tex]

You have two fractions with the same (common) denominator, so you subtract the numerators and put that over the common denominator.

[tex]\frac{5}{7r}-\frac{2}{7r}=\frac{5-2}{7r}=\frac{3}{7r}[/tex]



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