There is an infinite number of common denominators for these two fractions. The lowest common denominator is 45.
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∙ 2012-11-28 18:24:0120, although if you reduced 15/20 to 3/4, the common denominator would be 4.
The LCD for 1/5 and 4/15 is 15.
30
The common denominator of 4/8 and 11/15 is 90.
lowest common denominator of 4/5 and 7/15 would be 15 4/5=12/15
4/9 = 20/45 8/15 = 24/45
The common denominator of 5 over 8 and 4 over 9 is 72.
4
20 is the lowest common denominator for 4 and 10.
To simplify a fraction, you need to identify any common divisors between the numerator and the denominator. In this case, both the numerator (15) and the denominator (60) can divide by 15. Do this and we get 1/4. There are no common divisors left. Therefore, 15/60 is simplified as 1/4.
4.
60 is the least common denominator of 3 4 5 6 10 and 15.