Respuesta :

2/3x2= 4/6
2/3x4= 8/12
1/6x2= 2/12
1/6x4=4/24
3/5x2=6/10
3/5x4=12/20
2/3: 4/6 or 6/9 ((2x2=4 and 3x2=6)) ((2x3=6 and 3x3=9))

1/6: 2/12 or 3/18 ((1x2=2 and 6x2=12)) ((1x3=3 and 6x3=18))

3/5: 6/10 or 9/15 ((3x2=6 and 5x2=10)) ((3x3=9 and 5x3=15))

Hope that helped! Let me know if you have any questions! Good luck! :D