Subtract 21/9 from 49/54
1st number: 49/54, 2nd number: 2 3/9
49/54 - 21/9 is -77/54.
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,
49/54 = 49 × 1/54 × 1 = 49/54 - Likewise, for the 2nd fraction, since 9 × 6 = 54,
21/9 = 21 × 6/9 × 6 = 126/54 - Subtract the two like fractions:
49/54 - 126/54 = 49 - 126/54 = -77/54
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