Subtract 7/54 from 30/18
1st number: 1 12/18, 2nd number: 7/54
30/18 - 7/54 is 83/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
30/18 = 30 × 3/18 × 3 = 90/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
7/54 = 7 × 1/54 × 1 = 7/54 - Subtract the two like fractions:
90/54 - 7/54 = 90 - 7/54 = 83/54 - In mixed form: 129/54
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