Question

Escreva em ordem crescente as frações:

7/2 8/5 5/2 9/2​

Answer 1

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$\sf \dfrac{7}{2}~~\dfrac{8}{5}~~\dfrac{5}{2}~~\dfrac{9}{2}\\\\\begin{array}{c|l}\sf2,5&\sf2\\\sf1,5&\sf5\\\sf1,1\end{array}\\\sf mmc(2,5)=2\cdot5=10\\\Large\boxed{\begin{array}{l}\sf\dfrac{7}{2}=\dfrac{35}{10}\\\sf\dfrac{8}{5}=\dfrac{16}{10}\\\sf\dfrac{5}{2}=\dfrac{25}{10}\\\sf\dfrac{9}{2}=\dfrac{45}{10}\\\sf\dfrac{16}{10},\dfrac{25}{10},\dfrac{35}{10},\dfrac{45}{10}\\\sf\dfrac{8}{5},\dfrac{5}{2},\dfrac{7}{2},\dfrac{9}{2}\end{array}}$