Answer:

Step-by-step explanation:
We have the fraction
.
What can both 45 and 60 be divided by? Lets look at the factors for each number.
Factors of 45: 1, 3, 5, 9, 15, 45
Factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
As you can see, 15 is the largest factor both numbers have in common. So, we divide the numerator (top number) and the denominator (bottom number) by 15.
45 ÷ 15 = 3
60 ÷ 15 = 4
So, the simplified fraction is
.