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Lunna [17]
3 years ago
11

Rewirte 11/21 and 5/9 so that they have a common denominator

Mathematics
1 answer:
Firdavs [7]3 years ago
6 0

cheap answer is, you <u>multiply one fraction by the other's denominator</u>, so let's do that with both of these fellows.


\bf \qquad \cfrac{11}{\boxed{21}}~\hspace{21em}\cfrac{5}{\boxed{9}}\\\\[-0.35em] ~\dotfill\\\\ \cfrac{11\cdot 9}{21\cdot 9}\implies \cfrac{99}{189}~\hspace{15em}\cfrac{5\cdot 21}{9\cdot 21}\implies \cfrac{105}{189}

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