Subtract 2/16 from 28/81
28/81 - 2/16 is 143/648.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 16 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 81 × 16 = 1296,
28/81 = 28 × 16/81 × 16 = 448/1296 - Likewise, for the 2nd fraction, since 16 × 81 = 1296,
2/16 = 2 × 81/16 × 81 = 162/1296 - Subtract the two like fractions:
448/1296 - 162/1296 = 448 - 162/1296 = 286/1296 - After reducing the fraction, the answer is 143/648
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