Subtract 3/81 from 1/48
1/48 - 3/81 is -7/432.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 48 × 27 = 1296,
1/48 = 1 × 27/48 × 27 = 27/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
3/81 = 3 × 16/81 × 16 = 48/1296 - Subtract the two like fractions:
27/1296 - 48/1296 = 27 - 48/1296 = -21/1296 - After reducing the fraction, the answer is -7/432
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