Question

so sanh

\(\frac{58}{89}\)&\(\frac{36}{53}\)                                                          \(\frac{58}{63}\)&\(\frac{36}{55}\)

Answer 1

\(\frac{58}{89}\)&   \(\frac{36}{53}\)

Ta có : 

  \(\frac{58}{89}\)=  \(\frac{58.53}{89.53}\)=\(\frac{3074}{4717}\)         ;              \(\frac{36}{53}\)=\(\frac{36.89}{53.89}\)=\(\frac{3204}{4717}\)

Vậy \(\frac{58}{89}\)<  \(\frac{36}{53}\)

\(\frac{58}{63}\)&   \(\frac{36}{55}\)

Ta có:

  \(\frac{58}{63}\)=\(\frac{58.55}{63.55}\)=\(\frac{3190}{3465}\)                  ;                   \(\frac{36}{55}\)=\(\frac{36.63}{55.63}\)=\(\frac{2268}{3465}\)

Vậy \(\frac{58}{63}\)>    \(\frac{36}{55}\)

Answer 2

58/89<36/89

58/63>36/55