Subtract 1/54 from 42/30
1st number: 1 12/30, 2nd number: 1/54
42/30 - 1/54 is 373/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
42/30 = 42 × 9/30 × 9 = 378/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
1/54 = 1 × 5/54 × 5 = 5/270 - Subtract the two like fractions:
378/270 - 5/270 = 378 - 5/270 = 373/270 - In mixed form: 1103/270
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