A common denominator is 32.
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At least two fractions are needed in order to determine a common denominator.
To subtract fractions, find a common denominator. The common denominator of 6 and 8 is 24. Therefore, five sixths is equivalent to twenty-fours sixths, and five eighths is equivalent to twenty-four eighths. Subtracting twenty-four eighths from twenty-four sixths gives an answer of three twenty-fourths.
The common denominator of three fourths and one fifth is twenty. The fractions including the common denominator can look like this: 3/4 to 15/20 and 1/5 to 4/20. Hope this helps!! ^^
You don't need a common denominator to divide fractions.
The least common denominator of three fourths and five sixths is twelve.