Subtract 25/81 from 3/16
3/16 - 25/81 is -157/1296.
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,
3/16 = 3 × 81/16 × 81 = 243/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
25/81 = 25 × 16/81 × 16 = 400/1296 - Subtract the two like fractions:
243/1296 - 400/1296 = 243 - 400/1296 = -157/1296
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