15/21 Simplified

15/21 Simplest Form :

How to simplify 15/21 fraction

To simplify the fraction 15/21, you'll want to find the greatest common divisor (GCD) of the numerator (15) and the denominator (21), and then divide both by that GCD.

1. Find the GCD of 15 and 21:
   

   The factors of 15 are , 1 , 3 , 5 , 15 .
   The factors of 21 are , 1 , 3 , 7 , 21 .
   The largest number that appears in both lists is 3, so the GCD of 12 and 36 is 3.

2. Divide both the numerator and denominator by the GCD:
   

   15 ÷ 3 = 5
   21 ÷ 3 = 7
   So, the simplified form of 15/21 is 5/7.

The fraction 15/21 is equivalent to 5/7 when simplified.

How to read 15/21

fifteen over 21

How to read 5/7

five seventh

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How it Works

Our tool uses advanced algorithms to find the greatest common divisor (GCD) of the numerator and denominator. It then divides both numbers by the GCD to obtain the simplified form.