Subtract 7/54 from 21/3
1st number: 7 0/3, 2nd number: 7/54
21/3 - 7/54 is 371/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 3 × 18 = 54,
21/3 = 21 × 18/3 × 18 = 378/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
7/54 = 7 × 1/54 × 1 = 7/54 - Subtract the two like fractions:
378/54 - 7/54 = 378 - 7/54 = 371/54 - In mixed form: 647/54
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