\(\frac{13}{25}< \frac{133}{153}\)

\(\frac{13}{15}>\frac{1333}{1555}\)

mk nha nhất

\(\frac{13}{25}< \frac{133}{153}\)

\(\frac{13}{15}>\frac{1333}{1555}\)

\(\frac{7}{13}=1-\frac{5}{13}< 1-\frac{5}{8}=\frac{3}{8}\)

7/3 > 3/8

15/32 < 17/29

học tốt

\(\frac{22}{7}\)> \(\frac{11}{5}\)vì 22 : 7 = 3,14 ; 11: 5 = 2,2

\(\frac{15}{59}\)< \(\frac{24}{97}\)vì 15 : 59 = 0,21 ; 24 : 97 = 0,24

\(\frac{11}{19}\)< \(\frac{13}{18}\)vì 11 : 19 = 0,57 ; 13 : 18 = 0,72

\(\frac{7}{10}\)> \(\frac{4}{9}\)vì 7 : 10 = 0,7 ; 4 : 9 = 0,44
 

Ủa 15:59 ko ra0,21

a) \(\frac{5}{6}\)= \(\frac{15}{18}\); b)  \(\frac{99}{100}\)< \(\frac{100}{99}\);   c ) \(\frac{15}{17}\)> \(\frac{13}{18}\)vì \(\frac{15}{17}\)> \(\frac{15}{18}\)> \(\frac{13}{18}\); 

d) \(\frac{222}{333}\)= \(\frac{2}{3}\)\(=1-\frac{1}{3}\); \(\frac{3333}{4444}\)= \(\frac{3}{4}\)= \(1-\frac{1}{4}\); vì \(\frac{1}{3}\)> \(\frac{1}{4}\)nên \(\frac{222}{333}\)< \(\frac{3333}{4444}\)

e) \(\frac{292929}{272727}\)= \(\frac{29}{27}\)= \(1+\frac{2}{17}\); \(\frac{347347}{345345}\)= \(\frac{347}{345}\)= \(1+\frac{2}{345}\)nên \(\frac{292929}{272727}\)> \(\frac{347347}{345345}\)

\(\frac{14}{13}=1+\frac{1}{13}\)

\(\frac{15}{14}=1+\frac{1}{14}\)

Do   \(\frac{1}{13}>\frac{1}{14}\)

nên  \(\frac{14}{13}>\frac{15}{14}\)

\(\text{So sánh }2\text{ phân số : }\)

\(\frac{14}{13}\text{ và }\frac{15}{14}\)                             

\(\text{Ta có : }\)

\(\frac{14}{13}=1+\frac{1}{13}\)

\(\frac{15}{14}=1+\frac{15}{14}\)

\(\text{ Do : }\frac{1}{13}>\frac{1}{14}\)

\(\text{Nên : }\frac{14}{13}>\frac{15}{14}\)