Subtract 20/81 from 9/14
9/14 - 20/81 is 449/1134.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
9/14 = 9 × 81/14 × 81 = 729/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
20/81 = 20 × 14/81 × 14 = 280/1134 - Subtract the two like fractions:
729/1134 - 280/1134 = 729 - 280/1134 = 449/1134
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