Question

180/275=

162/369= 

45/190

2015/1995 =

rút gọn các phân số thành 1 phân số tối giản

Answer 1

\(\dfrac{180}{275}=\dfrac{180:5}{275:5}=\dfrac{36}{55}\)

\(\dfrac{162}{369}=\dfrac{162:9}{369:9}=\dfrac{18}{41}\)

\(\dfrac{45}{190}=\dfrac{45:5}{190:5}=\dfrac{9}{38}\)

\(\dfrac{2015}{1995}=\dfrac{2015:5}{1995:5}=\dfrac{403}{399}\)

Answer 2

= 36/55

= 18/41

= 9/38

=403/399

Answer 3

180/275= 36/55
162/369=54/123
45/190=9/38
2015/1995 =403/399

Answer 4

\(\dfrac{180}{275}\) = \(\dfrac{36}{55}\)

\(\dfrac{162}{369}\) = \(\dfrac{18}{41}\)

\(\dfrac{45}{190}\) = \(\dfrac{9}{38}\)

\(\dfrac{2015}{1995}\) = \(\dfrac{403}{399}\)

Answer 5

\(\dfrac{180}{275}=\dfrac{180:5}{275:5}=\dfrac{36}{55}\)

\(\dfrac{162}{369}=\dfrac{162:9}{369:9}=\dfrac{18}{41}\)

\(\dfrac{45}{190}=\dfrac{45:5}{190:5}=\dfrac{9}{38}\)

\(\dfrac{2015}{1995}=\dfrac{2015:5}{1995:5}=\dfrac{403}{399}\)