The common denominator is
6
.
0
·
?
= 6
2
3
−
1
2
=
2
·2
3
·2
−
1
·3
2
·3
=
4
6
−
3
6
=
4
−
3
6
=
1
6
Pause
Play again
Back
Slower
Speed: 100%
Faster