Subtract 25/36 from 28/98
28/98 - 25/36 is -103/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 36 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 98 × 18 = 1764,
28/98 = 28 × 18/98 × 18 = 504/1764 - Likewise, for the 2nd fraction, since 36 × 49 = 1764,
25/36 = 25 × 49/36 × 49 = 1225/1764 - Subtract the two like fractions:
504/1764 - 1225/1764 = 504 - 1225/1764 = -721/1764 - After reducing the fraction, the answer is -103/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98-25/36 28/98-50/36 28/98-25/72 84/98-25/36 28/98-75/36