Subtract 21/9 from 8/98
1st number: 8/98, 2nd number: 2 3/9
8/98 - 21/9 is -331/147.
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,
8/98 = 8 × 9/98 × 9 = 72/882 - Likewise, for the 2nd fraction, since 9 × 98 = 882,
21/9 = 21 × 98/9 × 98 = 2058/882 - Subtract the two like fractions:
72/882 - 2058/882 = 72 - 2058/882 = -1986/882 - After reducing the fraction, the answer is -331/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/98-21/9 8/98-42/9 8/98-21/18 24/98-21/9 8/98-63/9 8/98-21/27 40/98-21/9 8/98-21/45 56/98-21/9 8/98-21/63