Subtract 27/98 from 28/54
28/54 - 27/98 is 643/2646.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 98 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 54 × 49 = 2646,
28/54 = 28 × 49/54 × 49 = 1372/2646 - Likewise, for the 2nd fraction, since 98 × 27 = 2646,
27/98 = 27 × 27/98 × 27 = 729/2646 - Subtract the two like fractions:
1372/2646 - 729/2646 = 1372 - 729/2646 = 643/2646
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54-27/98 28/54-54/98 84/54-27/98 28/54-81/98