
Solving:
least common multiple (4,6)
4,6| 2
2,3| 2
1,3| 3
1,1|------- 2*2*3 = 12
LCM of 4 and 6
, it is 12
Now, we have:


cancel denominators


Keep the number with the incognito on the left and swap the number without incident to the right, changing its signal.



Answer:
