Yes
A whole number.
yes
16
They are like fractions.
9
you divide the numarator to the denomanator
You have to get a common denomanator to then work out if the numerator is also the same.
You need at least two numbers to find something in common.
Yes, you multiply the numerators together and the denominators together when multiplying two fractions
This is called an improper fraction eg 4/3 is properly 1&1/3
The lowest common denominator is 21.