Hello Hdolly81
<u><em>The LCM of 156 and 321 is 16692</em></u>
Backup:
156: 2,2,3,13,
321: 3,107
2 * 2 * 3 * 13 * 107 = 16692
:)
3/10+ 5/8
First find a common denominator
multiply top and bottom the same
12/40 +25/40
add
37/40
Answer: 20
Step-by-step explanation: because 3+17=20
They are 20km apart. because in one hour one car would travel 60km and the other 40km and 60-40=20
