Subtract 16/81 from 4/24
4/24 - 16/81 is -5/162.
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,
4/24 = 4 × 27/24 × 27 = 108/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
16/81 = 16 × 8/81 × 8 = 128/648 - Subtract the two like fractions:
108/648 - 128/648 = 108 - 128/648 = -20/648 - After reducing the fraction, the answer is -5/162
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