Subtract 12/7 from 25/54
1st number: 25/54, 2nd number: 1 5/7
25/54 - 12/7 is -473/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
25/54 = 25 × 7/54 × 7 = 175/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
12/7 = 12 × 54/7 × 54 = 648/378 - Subtract the two like fractions:
175/378 - 648/378 = 175 - 648/378 = -473/378
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