Subtract 20/81 from 12/14
12/14 - 20/81 is 346/567.
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,
12/14 = 12 × 81/14 × 81 = 972/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
20/81 = 20 × 14/81 × 14 = 280/1134 - Subtract the two like fractions:
972/1134 - 280/1134 = 972 - 280/1134 = 692/1134 - After reducing the fraction, the answer is 346/567
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