\(\dfrac{117117}{504504}\text{=}\dfrac{117117:9009}{504504:9009}\text{=}\dfrac{13}{56}\)

\(\dfrac{153153}{414414}\text{=}\dfrac{153153:9009}{414414:9009}\text{=}\dfrac{17}{46}\)

6/8 = 3/4 ; 39/65 = 3/5 ; 70/42 = 5/3 ; 84/231 = 4/11 ; 117117/504504 = 13/56 ; 7/35 = 1/5 ; 112/140 = 4/5 ; 165/110 = 3/2 ; 30/105 = 2/7 ; 153153/414414 = 17/46

6/8=3/4

17/26

=153/234=17/26

\(\dfrac{153153}{174174}=\dfrac{153153:3003}{174174:3003}=\dfrac{51}{58}\)

\(\dfrac{19}{57}=\dfrac{19:19}{57:19}=\dfrac{1}{33}\)

\(\dfrac{36}{72}=\dfrac{36:36}{72:36}=\dfrac{1}{2}\)

\(\dfrac{202020}{303030}=\dfrac{202020:101010}{303030:101010}=\dfrac{2}{3}\)

\(\dfrac{3131}{3535}=\dfrac{31}{35}\)

\(\dfrac{204204}{217217}=\dfrac{204}{217}\)

\(\dfrac{414414}{494949}=\dfrac{1518}{1813}\)

\(\dfrac{171171171}{180180180}=\dfrac{19}{20}\)

\(\dfrac{3131}{3535}=\dfrac{31}{35}\)

\(\dfrac{204204}{217217}=\dfrac{204}{217}\)

\(\dfrac{414414}{494949}=\dfrac{1518}{1813}\)

\(\dfrac{171171171}{180180180}=\dfrac{19}{20}\)

Trả lời

Theo mk phân số đã tối giản.

Nên ko cần rút gọn nữa.

Chúc bạn học tốt !

\(\frac{145145}{153153}\)

= \(\frac{145x101}{153x101}\)

= \(\frac{145}{153}\)

= 41/152 nhé

\(\frac{123123}{456456}=\frac{123123:303}{456456:303}=\frac{41}{152}\)

/HT\

\(\dfrac{120:28=4}{140;28=5}\)

\(\dfrac{2}{3}\)

2/3