Answer:
6
Step-by-step explanation:
I assume you mean GCF, greatest common factor.
First, write the prime factorizations for each:
18 = 2¹ × 3²
24 = 2³ × 3¹
Next, find what they have in common. Both have a factor of 2¹ and 3¹.
GCF = 2¹ × 3¹
GCF = 6
The greatest common factor is 6.
Answer:
Step-by-step explanation:

You can use keep it change it flip it and do:
7/10•9/5=63/50= 1 3/50
7•9=63
10•5=50
Hope this helped
Answer:
XnY={1, 2, 3, and 4} and XuY={1, 2, 3, 4 and 5}