Subtract 20/63 from 20/98
20/98 - 20/63 is -50/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
20/98 = 20 × 9/98 × 9 = 180/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
20/63 = 20 × 14/63 × 14 = 280/882 - Subtract the two like fractions:
180/882 - 280/882 = 180 - 280/882 = -100/882 - After reducing the fraction, the answer is -50/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98-20/63 20/98-40/63 60/98-20/63 20/98-60/63