Subtract 15/4 from 28/54
1st number: 28/54, 2nd number: 3 3/4
28/54 - 15/4 is -349/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
28/54 = 28 × 2/54 × 2 = 56/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
15/4 = 15 × 27/4 × 27 = 405/108 - Subtract the two like fractions:
56/108 - 405/108 = 56 - 405/108 = -349/108
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