rút gọn phân số 424242/303030
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\(\dfrac{153153}{174174}=\dfrac{153153:3003}{174174:3003}=\dfrac{51}{58}\)
\(\dfrac{19}{57}=\dfrac{19:19}{57:19}=\dfrac{1}{33}\)
\(\dfrac{36}{72}=\dfrac{36:36}{72:36}=\dfrac{1}{2}\)
\(\dfrac{202020}{303030}=\dfrac{202020:101010}{303030:101010}=\dfrac{2}{3}\)
\(\frac{121212}{424242}=\frac{121212:10101}{424242:10101}=\frac{12}{42}=\frac{2}{7}\)
\(\frac{1999999999}{9999999995}=\frac{1999999999:1999999999}{9999999995:1999999999}=\frac{1}{5}\)
\(\frac{121212}{424242}\)
= \(\frac{12.10101}{42.10101}\)
rút gọn
= \(1\)
ta có \(\frac{121212}{424242}=\frac{121212:60606}{424242:60606}=\frac{2}{7}\)
\(\frac{323232}{424242}=\frac{32\cdot10101}{42\cdot10101}=\frac{32}{42}=\frac{16}{21}\)
1313/1717 = 13/17
102102/109109 = 102/109
424242/535353 = 42/53
103103103/109109109 = 103/109
=\(\dfrac{3}{8}\)+\(\dfrac{3}{4}\)=\(\dfrac{3}{8}\)+\(\dfrac{6}{8}\)=\(\dfrac{9}{8}\)
\(\frac{424242}{303030}\) = \(\frac{424242:60606}{303030:60606}\) = \(\frac{7}{5}\)
\(\frac{7}{5}\)