Subtract 21/18 from 16/98
1st number: 16/98, 2nd number: 1 3/18
16/98 - 21/18 is -295/294.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
16/98 = 16 × 9/98 × 9 = 144/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
21/18 = 21 × 49/18 × 49 = 1029/882 - Subtract the two like fractions:
144/882 - 1029/882 = 144 - 1029/882 = -885/882 - After reducing the fraction, the answer is -295/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/98-21/18 16/98-42/18 16/98-21/36 48/98-21/18 16/98-63/18 16/98-21/54 80/98-21/18 16/98-21/90