Subtract 16/49 from 7/54
7/54 - 16/49 is -521/2646.
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,
7/54 = 7 × 49/54 × 49 = 343/2646 - Likewise, for the 2nd fraction, since 49 × 54 = 2646,
16/49 = 16 × 54/49 × 54 = 864/2646 - Subtract the two like fractions:
343/2646 - 864/2646 = 343 - 864/2646 = -521/2646
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/54-16/49 7/54-32/49 7/54-16/98 21/54-16/49 7/54-48/49 35/54-16/49 7/54-80/49 49/54-16/49