Subtract 28/81 from 6/24
6/24 - 28/81 is -31/324.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 24 × 27 = 648,
6/24 = 6 × 27/24 × 27 = 162/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
28/81 = 28 × 8/81 × 8 = 224/648 - Subtract the two like fractions:
162/648 - 224/648 = 162 - 224/648 = -62/648 - After reducing the fraction, the answer is -31/324
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