To simplify the fraction 72/81, you'll want to find the greatest common divisor (GCD) of the numerator (72) and the denominator (81), and then divide both by that GCD.
The factors of 72 are , 1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 18 , 24 , 36 , 72 .
The factors of 81 are , 1 , 3 , 9 , 27 , 81 .
The largest number that appears in both lists is 9, so the GCD of 12 and 36 is 9.
72 ÷ 9 = 8
81 ÷ 9 = 9
So, the simplified form of 72/81 is 8/9.
The fraction 72/81 is equivalent to 8/9 when simplified.
seventy-two over 81
eight 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.