1. the least common multiple of 9 and 12.
9 18 27 36
12 24 36
36
2. GCF of 9 and 12
1 3 9
1 2 3 4 6 12
3
we have

This is a mixed number
we know that
A mixed number is a combination of a whole number and a fraction.
So
is equal to

where
is the whole number
is the fraction

therefore
the answer is

Are you trying to convert the percentages into fractions or??
Answer:

Step-by-step explanation:
Solve for
:

-Subtract
on both sides:


So, therefore, the final answer is
.