Subtract 15/49 from 3/54
3/54 - 15/49 is -221/882.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 49 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 54 × 49 = 2646,
3/54 = 3 × 49/54 × 49 = 147/2646 - Likewise, for the 2nd fraction, since 49 × 54 = 2646,
15/49 = 15 × 54/49 × 54 = 810/2646 - Subtract the two like fractions:
147/2646 - 810/2646 = 147 - 810/2646 = -663/2646 - After reducing the fraction, the answer is -221/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/54-15/49 3/54-30/49 3/54-15/98 9/54-15/49 3/54-45/49 15/54-15/49 3/54-75/49 21/54-15/49