Subtract 4/9 from 20/98
20/98 - 4/9 is -106/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 9 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 9 × 98 = 882,
4/9 = 4 × 98/9 × 98 = 392/882 - Subtract the two like fractions:
180/882 - 392/882 = 180 - 392/882 = -212/882 - After reducing the fraction, the answer is -106/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98-4/9 20/98-8/9 20/98-4/18 60/98-4/9 20/98-12/9 20/98-4/27 20/98-20/9 20/98-4/45 20/98-28/9 20/98-4/63