Subtract 2/9 from 21/54
21/54 - 2/9 is 1/6.
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,
21/54 = 21 × 1/54 × 1 = 21/54 - Likewise, for the 2nd fraction, since 9 × 6 = 54,
2/9 = 2 × 6/9 × 6 = 12/54 - Subtract the two like fractions:
21/54 - 12/54 = 21 - 12/54 = 9/54 - After reducing the fraction, the answer is 1/6
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