Question

rút gọn các phân số sau

a) 189/210 =

b) 7676/8484 =

Answer 1

9/10

19/21

Answer 2

9/10

19/21

Answer 3

a.9/10

b.19/21

Answer 4

\(\dfrac{9}{10};\dfrac{19}{21}\)

Answer 5

\(\dfrac{9}{10},\dfrac{19}{21}\)

Answer 6

9/10

19/21

Answer 7

a, 9/10

b, 19/21

Answer 8

9/10

19/21

Answer 9

9/10

19/21

Answer 10

a) 9/10

b) 19/21