Subtract 42/27 from 15/49
1st number: 15/49, 2nd number: 1 15/27
15/49 - 42/27 is -551/441.
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,
15/49 = 15 × 27/49 × 27 = 405/1323 - Likewise, for the 2nd fraction, since 27 × 49 = 1323,
42/27 = 42 × 49/27 × 49 = 2058/1323 - Subtract the two like fractions:
405/1323 - 2058/1323 = 405 - 2058/1323 = -1653/1323 - After reducing the fraction, the answer is -551/441
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