Subtract 15/54 from 3/49
3/49 - 15/54 is -191/882.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 54 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 49 × 54 = 2646,
3/49 = 3 × 54/49 × 54 = 162/2646 - Likewise, for the 2nd fraction, since 54 × 49 = 2646,
15/54 = 15 × 49/54 × 49 = 735/2646 - Subtract the two like fractions:
162/2646 - 735/2646 = 162 - 735/2646 = -573/2646 - After reducing the fraction, the answer is -191/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/49-15/54 3/49-30/54 3/98-15/54 9/49-15/54 3/49-45/54 15/49-15/54 3/49-75/54 21/49-15/54