Rút gọn phân số sau: 199619961996/149714971497
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\(\frac{199619961996}{149714971497}=\frac{1996.100010001}{1497.100010001}=\frac{1996}{1497}=\frac{2000-4}{1500-3}=\frac{4\left(500-1\right)}{3\left(500-1\right)}=\frac{4}{3}\)
\(\frac{199619961996}{149714971497}=\frac{1996.100010001}{1497.100010001}=\frac{1996}{1497}=\frac{2000-4}{1500-3}=\frac{4\left(500-1\right)}{3\left(500-1\right)}=\frac{4}{3}\)
a,
\(\dfrac{123123}{363363}=\dfrac{41\cdot3003}{121\cdot3003}=\dfrac{41}{121}\)
b,
\(\dfrac{199619961996}{149714971497}=\dfrac{4\cdot49904990499}{3\cdot49904990499}=\dfrac{4}{3}\)
c,
\(\dfrac{1818181818}{8181818181}=\dfrac{2\cdot909090909}{9\cdot909090909}=\dfrac{2}{9}\)
a, \(\dfrac{123123}{363363}=\dfrac{123123:1001}{363363:1001}=\dfrac{123:3}{363:3}=\dfrac{41}{121}\)
b, \(\dfrac{199619961996}{149714971497}=\dfrac{199619961996:100010001}{149714971497:100010001}\)
\(=\dfrac{1996:499}{1497:499}=\dfrac{4}{3}\)
c, \(\dfrac{1818181818}{8181818181}=\dfrac{1818181818:101010101}{8181818181:101010101}\)
\(=\dfrac{18:9}{81:9}=\dfrac{2}{9}\)
@nguyen linh ngoc
\(\frac{199519951995}{199619961996}=\frac{1995.100010001}{1996.100010001}=\frac{1995}{1996}\)
\(\frac{130130}{180180}=\frac{130.1001}{180.1001}=\frac{130}{180}=\frac{13}{18}\)
\(a,\dfrac{123123}{363363}=\dfrac{123123:3003}{363363:3003}=\dfrac{41}{121}\\ b,\dfrac{199619961996}{149714971497}=\dfrac{199619961996:100010001}{149714971497:100010001}=\dfrac{1996}{1497}=\dfrac{1996:499}{1497:499}=\dfrac{4}{3}\\ c,\dfrac{1818181818}{8181818181}=\dfrac{1818181818\times909090909}{8181818181\times909090909}=\dfrac{2}{9}\)
\(\dfrac{50}{60}=\dfrac{5}{6}\)
\(\dfrac{33}{11}=3\)
\(\dfrac{16}{60}=\dfrac{4}{15}\)
\(\dfrac{42}{22}=\dfrac{21}{11}\)
\(\frac{199619961996}{149714971497}=\frac{1996\times100010001}{1497\times100010001}=\frac{1996}{1497}\)
\(\frac{199619961996}{149714971497}=\frac{1996x100010001}{1497x100010001}=\frac{1996}{1497}=\frac{4}{3}\)