7
The greatest common factor of 21 and 175 is 7.
The greatest common denominator of any set of integers is infinite.
945 is the lowest common denominator. 3 is the greatest common factor.
The Greatest Common Divisor/Denominator is 21
A common denominator, though not the least one, is 24*21 = 504.
The greatest common denominator of any two or more whole numbers, such as 12 15 and 21, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.
Divide the numerator and denominator by their greatest common factor, which is 5. Thus, 80/105 = 16/21
The Greatest Common Divisor of 21, 189 is 21.
Find a common denominator. 21 is common. Multiply the fractions to achieve a common denominator of 21. 3/7 + 2/3 = 9/21 + 14/21 = 23/21
168
42
The greatest common factor of 21 and 77 is 7.