Subtract 81/16 from 8/54
1st number: 8/54, 2nd number: 5 1/16
8/54 - 81/16 is -2123/432.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 54 × 8 = 432,
8/54 = 8 × 8/54 × 8 = 64/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
81/16 = 81 × 27/16 × 27 = 2187/432 - Subtract the two like fractions:
64/432 - 2187/432 = 64 - 2187/432 = -2123/432
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