Subtract 21/6 from 7/54
1st number: 7/54, 2nd number: 3 3/6
7/54 - 21/6 is -91/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
7/54 = 7 × 1/54 × 1 = 7/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
21/6 = 21 × 9/6 × 9 = 189/54 - Subtract the two like fractions:
7/54 - 189/54 = 7 - 189/54 = -182/54 - After reducing the fraction, the answer is -91/27
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