Subtract 81/49 from 20/9
1st number: 2 2/9, 2nd number: 1 32/49
20/9 - 81/49 is 251/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
20/9 = 20 × 49/9 × 49 = 980/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
81/49 = 81 × 9/49 × 9 = 729/441 - Subtract the two like fractions:
980/441 - 729/441 = 980 - 729/441 = 251/441
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