Subtract 25/27 from 28/49
28/49 - 25/27 is -67/189.
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,
28/49 = 28 × 27/49 × 27 = 756/1323 - Likewise, for the 2nd fraction, since 27 × 49 = 1323,
25/27 = 25 × 49/27 × 49 = 1225/1323 - Subtract the two like fractions:
756/1323 - 1225/1323 = 756 - 1225/1323 = -469/1323 - After reducing the fraction, the answer is -67/189
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