15/315 Simplified

Learn how to find what is 15/315 simplified as a fraction just in a few minutes. We have covered why the greatest common divisor or factorization is important to simplify 15/315 in simplest form.

To simplify 15/315 in its lowest terms, you must be familiar with either how to find the greatest common divisor or prime factors. Both of these methods are used to recognize if 15/315 can be reduced in simplest form. In this case, the greatest common divisor of 15 and 315 is 15. Dividing both the numerator and denominator by GCD, the fraction 15/315 becomes 1/21 which is the simplest form.

Simplify 15/315 as a Fraction
Using Factorization:
15/315 = (?)
15/315 = (3 x 5)/(3 x 3 x 5 x 7)      //write 15/315 in terms of factors
= 1/21
15/315 = 1/21
15/315 simplified is 1/21

Using GCD:
15/315 = (?)
GCD of 15 and 315 is 15.
15/315 = (15/15)/(315/15)
= 1/21
15/315 = 1/21
15/315 simplified is 1/21 in fraction form
where,
15/315 is the given fraction to be simplified,
1/21 is the lowest term of 15/315.

Notes: Simplify 15/315 in lowest terms
1. 15/315 can be simplified only if the GCD of numerator and denominator is greater than 1. In this case, the GCD of 15 and 315 is 15 which is the greatest factor that evenly divides both numerator and denominator, so this fraction 15/315 can be represented in its reduced form.
2. On the other hand, you can also reduce 15/315 in simplest form by using the factorization method. In this case, the numerator and denominator of fraction should be written in the form of prime factors, so the fraction 15/315 becomes (3 x 5)/(3 x 3 x 5 x 7). Now you can check and cancel the factors if any factors of numerator and denominator cancel each other to simplify 15/315 in its lowest terms.

step 1 Observe the input parameters and what to be found:
Input values:
Fraction = 15/315

what to be found:
15/315 = ?
Simplify 15/315 in lowest terms.

step 2 Find the prime factors of the numerator of given fraction 15/315.
Prime factors of 15 = 3 x 5

step 3 Find the prime factors of the denominator of given fraction 15/315.
Prime factors of 315 = 3 x 3 x 5 x 7

step 4 Rewrite the fraction 15/315 in the form of prime factors as like the below:
15/315= (3 x 5) / (3 x 3 x 5 x 7)

step 5 Check and reduce the factors of 15 and 315 if any factors in the numerator and denominator cancel each other:
= (3 x 5) / (3 x 3 x 5 x 7)
= (1)/( 3 x 7)
15/315 = 1/21

Hence,
15/315 in simplest form is 1/21.

Representing fraction 15/315 in lowest terms is a better way than its original form to easily recognize the fraction or use in mathematical operations. Simplify fraction involves finding the greatest common factor or factorization. Recognizing the GCD or prime factors of numerator and denominator of a fraction is key when you start reducing fractions like 15/315 in its lowest terms.