Subtract 21/9 from 30/54
1st number: 30/54, 2nd number: 2 3/9
30/54 - 21/9 is -16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 9 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
30/54 = 30 × 1/54 × 1 = 30/54 - Likewise, for the 2nd fraction, since 9 × 6 = 54,
21/9 = 21 × 6/9 × 6 = 126/54 - Subtract the two like fractions:
30/54 - 126/54 = 30 - 126/54 = -96/54 - After reducing the fraction, the answer is -16/9
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