15/21 Simplified in Lowest Terms

15/21 simplified in lowest terms provides the detailed information of what is the simplest form of 15/21, and the answer with steps help students to understand how to simplify the fraction in reduced form.

Simplify 15/21 in Lowest Terms
15/21 = (?)
15/21 = (3 x 5)/(3 x 7)
= 5/7
15/21 = 5/7
15/21 simplified is 5/7

where,
15/21 is the given fraction to be simplified,
5/7 is the lowest term of 15/21.

step 1 Observe the input parameters and what to be found:
Input values:
Fraction = 15/21

what to be found:
15/21 = ?
Reduce 15/21 in lowest terms.

step 2 Find the prime factors of the numerator of given fraction 15/21.
Prime factors of 15 = 3 x 5

step 3 Find the prime factors of the denominator of given fraction 15/21.
Prime factors of 21 = 3 x 7

step 4 Rewrite the fraction 15/21 in the form of prime factors as like the below:
15/21= (3 x 5) / (3 x 7)

step 5 Check and reduce the factors of 15 and 21 if any factors in the numerator and denominator can be cancelled each other in the above fraction of prime factors:
= (3 x 5) / (3 x 7)
= ( 5)/( 7)
15/21 = 5/7
Hence,
15/21 in simplest form is 5/7.