Subtract 28/27 from 27/49
1st number: 27/49, 2nd number: 1 1/27
27/49 - 28/27 is -643/1323.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 27 is 1323
Next, find the equivalent fraction of both fractional numbers with denominator 1323 - For the 1st fraction, since 49 × 27 = 1323,
27/49 = 27 × 27/49 × 27 = 729/1323 - Likewise, for the 2nd fraction, since 27 × 49 = 1323,
28/27 = 28 × 49/27 × 49 = 1372/1323 - Subtract the two like fractions:
729/1323 - 1372/1323 = 729 - 1372/1323 = -643/1323
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