Answer:
The least common denominator would be 42.
Step-by-step explanation:
6 and 7 don't share any common multiples with any other number besides 6 or 7.
6 * 7 = 42
Answer:
She'd have travelled 120 extra miles, 600 miles in total.
Step-by-step explanation:
480 : 8 = 60 --> 60 miles per hour
60 x 10 = 600 --> 600 miles in 10 hours at that speed
600 - 480 = 120 --> extra miles in the extra two hours at that speed
The greatest common factor is 1
