Subtract 20/27 from 81/18
1st number: 4 9/18, 2nd number: 20/27
81/18 - 20/27 is 203/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
81/18 = 81 × 3/18 × 3 = 243/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
20/27 = 20 × 2/27 × 2 = 40/54 - Subtract the two like fractions:
243/54 - 40/54 = 243 - 40/54 = 203/54 - In mixed form: 341/54
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