Subtract 1/81 from 27/16
1st number: 1 11/16, 2nd number: 1/81
27/16 - 1/81 is 2171/1296.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 16 × 81 = 1296,
27/16 = 27 × 81/16 × 81 = 2187/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
1/81 = 1 × 16/81 × 16 = 16/1296 - Subtract the two like fractions:
2187/1296 - 16/1296 = 2187 - 16/1296 = 2171/1296 - In mixed form: 1875/1296
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