\(\dfrac{25}{36}\)

85/153= 5/9

1111/1212= 11/12

1530/1632= 15/16

85/153= 5/9

1111/1212= 11/12

1530/1632= 15/16

5/9      
11/12

\(\frac{1530}{1632}\)= \(\frac{15}{16}\)

Giải thích :

\(\frac{1530}{1632}=\frac{1530:102}{1632:102}=\frac{15}{16}\)

Vậy , phân số tối giản là \(\frac{15}{16}\)

~ Chúc bạn học giỏi ! ~

15/16

1530/1632 = 15/16

a)

`6/9=2/3`

`6/24=1/4`

`48/96=1/2`

`42/98=3/7`

b)

`24/36=2/3`

`18/30=3/5`

`15/120=1/8`

`80/240=1/3`

a)\(\dfrac{6}{9}=\dfrac{6:3}{9:3}=\dfrac{2}{3}\)
\(\dfrac{6}{24}=\dfrac{6:6}{24:6}=\dfrac{1}{4}\)
\(\dfrac{48}{96}=\dfrac{48:48}{96:48}=\dfrac{1}{2}\)
\(\dfrac{42}{98}=\dfrac{42:14}{98:14}=\dfrac{3}{7}\)
b)\(\dfrac{24}{36}=\dfrac{24:12}{36:12}=\dfrac{2}{3}\)
\(\dfrac{18}{30}=\dfrac{18:6}{30:6}=\dfrac{3}{5}\)
\(\dfrac{15}{120}=\dfrac{15:15}{120:15}=\dfrac{1}{8}\)
\(\dfrac{80}{240}=\dfrac{80:80}{240:80}=\dfrac{1}{3}\)

\(a,\dfrac{6}{9}=\dfrac{2}{3};\dfrac{6}{24}=\dfrac{1}{4};\dfrac{48}{96}=\dfrac{1}{2};\dfrac{42}{98}=\dfrac{3}{7}\\ b,\dfrac{24}{36}=\dfrac{2}{3};\dfrac{18}{30}=\dfrac{3}{5};\dfrac{15}{120}=\dfrac{1}{8};\dfrac{80}{240}=\dfrac{1}{3}\)

\(\dfrac{132}{462}=\dfrac{132:66}{462:66}=\dfrac{2}{7}\)

132/462=2/7

132/462 = 132:66/462 : 66 = 2/7

a) \(\dfrac{2727-101}{3.303+404}=\dfrac{2626}{909+404}=\dfrac{2626}{1313}=2\)

b) \(\dfrac{8.9-4.15}{12.7-180}=\dfrac{72-60}{84-180}=\dfrac{12}{-96}=\dfrac{-1}{8}\)

c) \(\dfrac{-19}{3^2.7.11}=\dfrac{-19}{9.7.11}=\dfrac{-19}{63.11}=\dfrac{-19}{693}\)

d) \(\dfrac{4^6.9^5+6^9.120}{8^4.3^{12}-6^{11}}=\dfrac{2^{12}.3^{10}+120.6^9}{2^{12}.3^{12}-6^{11}}=\dfrac{2^2.6^{10}+20.6.6^9}{6^{12}-6^{11}}=\dfrac{4.6^{10}+20.6^{10}}{6^{11}\left(6-1\right)}=\dfrac{\left(4+20\right).6^{10}}{5.6^{11}}=\dfrac{24}{30}=\dfrac{4}{5}\)

a: \(=\dfrac{2^{12}\cdot3^{14}}{3^{12}\cdot2^{12}}=3^2=9\)

b: \(=\dfrac{7^3\cdot2\cdot5^3}{5^2\cdot7^2\cdot6}=7\cdot5\cdot\dfrac{1}{3}=\dfrac{35}{3}\)

d: =2^5(2^8+1)/2^2(2^8+1)=2^3=8

c: \(=\dfrac{5^3\cdot3^6\cdot2^8\cdot5^4\cdot3^4\cdot2^2}{2^{10}\cdot3^{10}\cdot5^5}=5^2\)

giúp mình  nhanh với ạ

72/96 =9/12  

64/48=4/3

132/462=12/42

 a) \(\dfrac{72}{96}\)=\(\dfrac{72:24}{96:24}\)=\(\dfrac{3}{4}\)                                                       b) \(\dfrac{64}{48}\)=\(\dfrac{64:16}{48:16}\)=\(\dfrac{4}{3}\)

 c) \(\dfrac{132}{462}\)=\(\dfrac{132:66}{462:66}\)=\(\dfrac{2}{7}\)