Subtract 15/49 from 12/27
12/27 - 15/49 is 61/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 49 is 1323
Next, find the equivalent fraction of both fractional numbers with denominator 1323 - For the 1st fraction, since 27 × 49 = 1323,
12/27 = 12 × 49/27 × 49 = 588/1323 - Likewise, for the 2nd fraction, since 49 × 27 = 1323,
15/49 = 15 × 27/49 × 27 = 405/1323 - Subtract the two like fractions:
588/1323 - 405/1323 = 588 - 405/1323 = 183/1323 - After reducing the fraction, the answer is 61/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27-15/49 12/27-30/49 12/54-15/49 12/27-15/98 36/27-15/49 12/27-45/49 12/81-15/49 60/27-15/49 12/27-75/49 84/27-15/49