Subtract 42/98 from 2/28
2/28 - 42/98 is -5/14.
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,
2/28 = 2 × 7/28 × 7 = 14/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
42/98 = 42 × 2/98 × 2 = 84/196 - Subtract the two like fractions:
14/196 - 84/196 = 14 - 84/196 = -70/196 - After reducing the fraction, the answer is -5/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28-42/98 2/28-84/98 2/56-42/98 6/28-42/98 2/84-42/98 10/28-42/98 14/28-42/98