Here we will show you step-by-step how to simplify 81/645 to the simplest form.
The key to solving this problem is to find the greatest common divisor of 81 and 645.
To find the greatest common divisor of 81 and 645, we list all of the factors of both numbers so we can compare the lists.
When we compared the factors of 81 (1, 3, 9, 27, 81) and 645 (1, 3, 5, 15, 43, 129, 215, 645) we found that 3 is the largest factor that they have in common.
Since 3 is the largest common factor of 81 and 645, 3 is also the greatest common divisor of 81 and 645.
Now, we divide both the numerator and denominator in 81/645 by the greatest common divisor as follows:
Numerator: 81/3 = 27
Denominator: 645/3 = 215
Then, we put the numerator and denominator that we are left with back together to get our answer.
81/645 to the simplest form is:
27/215
Simplify 81/646 to the Simplest Form
Go here for the next fraction we simplified to the simplest form.
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