Write the fraction 18/45 in simplest form.
The greatest common factor of 18 and 45 is 9. Therefore, 18/45 simplifies to:
18/45 = (18 ÷ 9) / (45 ÷ 9) = 2/5
So, 18/45 in simplest form is 2/5.
To simplify the fraction 18/45, we need to find the greatest common divisor (GCD) of the numerator (18) and the denominator (45) and divide both numbers by it.
First, let's find the GCD of 18 and 45. The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 45 are 1, 3, 5, 9, 15, and 45. The greatest common divisor is 9.
Next, we divide both the numerator and denominator by 9:
18 ÷ 9 = 2
45 ÷ 9 = 5
Therefore, the fraction 18/45 in its simplest form is 2/5.