To simplify the fraction 21/27, you'll want to find the greatest common divisor (GCD) of the numerator (21) and the denominator (27), and then divide both by that GCD.
The factors of 21 are , 1 , 3 , 7 , 21 .
The factors of 27 are , 1 , 3 , 9 , 27 .
The largest number that appears in both lists is 3, so the GCD of 12 and 36 is 3.
21 ÷ 3 = 7
27 ÷ 3 = 9
So, the simplified form of 21/27 is 7/9.
The fraction 21/27 is equivalent to 7/9 when simplified.
twenty-one over 27
seven ninth
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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.