Subtract 7/27 from 9/49
9/49 - 7/27 is -100/1323.
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,
9/49 = 9 × 27/49 × 27 = 243/1323 - Likewise, for the 2nd fraction, since 27 × 49 = 1323,
7/27 = 7 × 49/27 × 49 = 343/1323 - Subtract the two like fractions:
243/1323 - 343/1323 = 243 - 343/1323 = -100/1323
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/49-7/27 9/49-14/27 9/98-7/27 9/49-7/54 27/49-7/27 9/49-21/27 9/49-7/81 45/49-7/27 9/49-35/27 63/49-7/27 9/49-49/27