To simplify the fraction 81/90, you'll want to find the greatest common divisor (GCD) of the numerator (81) and the denominator (90), and then divide both by that GCD.
The factors of 81 are , 1 , 3 , 9 , 27 , 81 .
The factors of 90 are , 1 , 2 , 3 , 5 , 6 , 9 , 10 , 15 , 18 , 30 , 45 , 90 .
The largest number that appears in both lists is 9, so the GCD of 12 and 36 is 9.
81 ÷ 9 = 9
90 ÷ 9 = 10
So, the simplified form of 81/90 is 9/10.
The fraction 81/90 is equivalent to 9/10 when simplified.
eighty-one over 90
nine over 10
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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.