Subtract 6/98 from 20/28
20/28 - 6/98 is 32/49.
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,
20/28 = 20 × 7/28 × 7 = 140/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
6/98 = 6 × 2/98 × 2 = 12/196 - Subtract the two like fractions:
140/196 - 12/196 = 140 - 12/196 = 128/196 - After reducing the fraction, the answer is 32/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28-6/98 20/28-12/98 20/56-6/98 60/28-6/98 20/28-18/98 20/84-6/98 20/28-30/98 20/28-42/98