12 = 2*2*3
10 = 5*2
LCM = 5*3*2*2
= 15*4=60
the least common multiple is 60
You just have to put who's class has more of the thing that are there
Answer:

Step-by-step explanation:
Our expression:

If we know
, let's substitute
, for
, in our expression:

Multiply:

Answer:
1 job / 2 hours + 1 job / 3 hours = 1 job / time it takes for both when working together
time it takes for both when working together = 1.2 hours
Step-by-step explanation: