400/398 Simplified

Learn how to find what is 400/398 simplified as a fraction just in a few minutes. We have covered why the greatest common divisor or factorization is important to simplify 400/398 in simplest form.

To simplify 400/398 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 400/398 can be reduced in simplest form. In this case, the greatest common divisor of 400 and 398 is 2. Dividing both the numerator and denominator by GCD, the fraction 400/398 becomes 200/199 which is the simplest form.

Simplify 400/398 as a Fraction
Using Factorization:
400/398 = (?)
400/398 = (2 x 2 x 2 x 2 x 5 x 5)/(2 x 199)      //write 400/398 in terms of factors
= 200/199
400/398 = 200/199
400/398 simplified is 200/199

Using GCD:
400/398 = (?)
GCD of 400 and 398 is 2.
400/398 = (400/2)/(398/2)
= 200/199
400/398 = 200/199
400/398 simplified is 200/199 in fraction form
where,
400/398 is the given fraction to be simplified,
200/199 is the lowest term of 400/398.

Notes: Simplify 400/398 in lowest terms
1. 400/398 can be simplified only if the GCD of numerator and denominator is greater than 1. In this case, the GCD of 400 and 398 is 2 which is the greatest factor that evenly divides both numerator and denominator, so this fraction 400/398 can be represented in its reduced form.
2. On the other hand, you can also reduce 400/398 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 400/398 becomes (2 x 2 x 2 x 2 x 5 x 5)/(2 x 199). Now you can check and cancel the factors if any factors of numerator and denominator cancel each other to simplify 400/398 in its lowest terms.

step 1 Observe the input parameters and what to be found:
Input values:
Fraction = 400/398

what to be found:
400/398 = ?
Simplify 400/398 in lowest terms.

step 2 Find the prime factors of the numerator of given fraction 400/398.
Prime factors of 400 = 2 x 2 x 2 x 2 x 5 x 5

step 3 Find the prime factors of the denominator of given fraction 400/398.
Prime factors of 398 = 2 x 199

step 4 Rewrite the fraction 400/398 in the form of prime factors as like the below:
400/398= (2 x 2 x 2 x 2 x 5 x 5) / (2 x 199)

step 5 Check and reduce the factors of 400 and 398 if any factors in the numerator and denominator cancel each other:
= (2 x 2 x 2 x 2 x 5 x 5) / (2 x 199)
= ( 2 x 2 x 2 x 5 x 5)/( 199)
400/398 = 200/199

Hence,
400/398 in simplest form is 200/199.

Representing fraction 400/398 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 400/398 in its lowest terms.