Subtract 15/98 from 4/28
4/28 - 15/98 is -1/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
4/28 = 4 × 7/28 × 7 = 28/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
15/98 = 15 × 2/98 × 2 = 30/196 - Subtract the two like fractions:
28/196 - 30/196 = 28 - 30/196 = -2/196 - After reducing the fraction, the answer is -1/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28-15/98 4/28-30/98 4/56-15/98 12/28-15/98 4/28-45/98 4/84-15/98 20/28-15/98 4/28-75/98