Question

rút gọn phân số

38 /144

22 /55

21 /49

Các bạn giúp mik nha !

 

Answer 1

\(\frac{38}{144}=\frac{38:2}{144:2}=\frac{19}{72}\)

\(\frac{22}{55}=\frac{22:11}{55:11}=\frac{2}{5}\)

\(\frac{21}{49}=\frac{21:7}{49:7}=\frac{3}{7}\)

Answer 2

\(\frac{38}{144}=\frac{19}{72}\)

\(\frac{22}{55}=\frac{2}{5}\)

\(\frac{21}{49}=\frac{3}{7}\)

Answer 3

\(\frac{38}{144}=\frac{38:2}{144:2}=\frac{19}{72}\)

\(\frac{22}{55}=\frac{22:11}{55:11}=\frac{2}{5}\)

\(\frac{21}{49}=\frac{21:7}{49:7}=\frac{3}{7}\)

Học tốt

Answer 4

38/144=19/72

22/55=2/5

21/49=3/7

nhớ  bạn

Answer 5

\(\frac{38}{144}=\frac{38}{144}\frac{:}{:}\frac{2}{2}=\frac{19}{72}\)                   \(\frac{22}{55}=\frac{22}{55}\frac{:}{:}\frac{11}{11}=\frac{2}{5}\)                  \(\frac{21}{49}=\frac{21}{49}\frac{:}{:}\frac{7}{7}=\frac{3}{7}\)      

K MIK ĐI HIHIH

Answer 6

38/144 =  19/72

22/55 = 2/5

21/49 = 3/7