LCM="leest kommon multipel"
FRAKSHUNS...wen hav 2 or more frakshuns with different bottoms
If yu want tu kombine frakshuns with a kommon bottom,
smallest bottom yukan yuze is the "lcm"
1 wae tu get it is multipli all bottoms, then tri tu redues it
Kan redues it oenlee if all frakshuns hav kommon FAKTERS