840/490 Simplified

Learn how to find what is 840/490 simplified as a fraction just in a few minutes. We have covered why the greatest common divisor or factorization is important to simplify 840/490 in simplest form.

To simplify 840/490 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 840/490 can be reduced in simplest form. In this case, the greatest common divisor of 840 and 490 is 70. Dividing both the numerator and denominator by GCD, the fraction 840/490 becomes 12/7 which is the simplest form.

Simplify 840/490 as a Fraction
Using Factorization:
840/490 = (?)
840/490 = (2 x 2 x 2 x 3 x 5 x 7)/(2 x 5 x 7 x 7)      //write 840/490 in terms of factors
= 12/7
840/490 = 12/7
840/490 simplified is 12/7

Using GCD:
840/490 = (?)
GCD of 840 and 490 is 70.
840/490 = (840/70)/(490/70)
= 12/7
840/490 = 12/7
840/490 simplified is 12/7 in fraction form
where,
840/490 is the given fraction to be simplified,
12/7 is the lowest term of 840/490.

Notes: Simplify 840/490 in lowest terms
1. 840/490 can be simplified only if the GCD of numerator and denominator is greater than 1. In this case, the GCD of 840 and 490 is 70 which is the greatest factor that evenly divides both numerator and denominator, so this fraction 840/490 can be represented in its reduced form.
2. On the other hand, you can also reduce 840/490 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 840/490 becomes (2 x 2 x 2 x 3 x 5 x 7)/(2 x 5 x 7 x 7). Now you can check and cancel the factors if any factors of numerator and denominator cancel each other to simplify 840/490 in its lowest terms.

step 1 Observe the input parameters and what to be found:
Input values:
Fraction = 840/490

what to be found:
840/490 = ?
Simplify 840/490 in lowest terms.

step 2 Find the prime factors of the numerator of given fraction 840/490.
Prime factors of 840 = 2 x 2 x 2 x 3 x 5 x 7

step 3 Find the prime factors of the denominator of given fraction 840/490.
Prime factors of 490 = 2 x 5 x 7 x 7

step 4 Rewrite the fraction 840/490 in the form of prime factors as like the below:
840/490= (2 x 2 x 2 x 3 x 5 x 7) / (2 x 5 x 7 x 7)

step 5 Check and reduce the factors of 840 and 490 if any factors in the numerator and denominator cancel each other:
= (2 x 2 x 2 x 3 x 5 x 7) / (2 x 5 x 7 x 7)
= ( 2 x 2 x 3 )/( 7)
840/490 = 12/7

Hence,
840/490 in simplest form is 12/7.

Representing fraction 840/490 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 840/490 in its lowest terms.