To simplify the fraction 3/21, you'll want to find the greatest common divisor (GCD) of the numerator (3) and the denominator (21), and then divide both by that GCD.
The factors of 3 are , 1 , 3 .
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.
3 ÷ 3 = 1
21 ÷ 3 = 7
So, the simplified form of 3/21 is 1/7.
The fraction 3/21 is equivalent to 1/7 when simplified.
three over 21
one seventh
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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.