Subtract 3/98 from 15/20
15/20 - 3/98 is 141/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
15/20 = 15 × 49/20 × 49 = 735/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
3/98 = 3 × 10/98 × 10 = 30/980 - Subtract the two like fractions:
735/980 - 30/980 = 735 - 30/980 = 705/980 - After reducing the fraction, the answer is 141/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20-3/98 15/20-6/98 15/40-3/98 45/20-3/98 15/20-9/98 15/60-3/98 75/20-3/98 15/20-15/98 15/20-21/98