Subtract 84/81 from 28/16
1st number: 1 12/16, 2nd number: 1 3/81
28/16 - 84/81 is 77/108.
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,
28/16 = 28 × 81/16 × 81 = 2268/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
84/81 = 84 × 16/81 × 16 = 1344/1296 - Subtract the two like fractions:
2268/1296 - 1344/1296 = 2268 - 1344/1296 = 924/1296 - After reducing the fraction, the answer is 77/108
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