Subtract 42/81 from 84/16
1st number: 5 4/16, 2nd number: 42/81
84/16 - 42/81 is 511/108.
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,
84/16 = 84 × 81/16 × 81 = 6804/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
42/81 = 42 × 16/81 × 16 = 672/1296 - Subtract the two like fractions:
6804/1296 - 672/1296 = 6804 - 672/1296 = 6132/1296 - After reducing the fraction, the answer is 511/108
- In mixed form: 479/108
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