Subtract 42/30 from 25/54
1st number: 25/54, 2nd number: 1 12/30
25/54 - 42/30 is -253/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
25/54 = 25 × 5/54 × 5 = 125/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
42/30 = 42 × 9/30 × 9 = 378/270 - Subtract the two like fractions:
125/270 - 378/270 = 125 - 378/270 = -253/270
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