Subtract 9/14 from 21/98
21/98 - 9/14 is -3/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 14 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 98 × 1 = 98,
21/98 = 21 × 1/98 × 1 = 21/98 - Likewise, for the 2nd fraction, since 14 × 7 = 98,
9/14 = 9 × 7/14 × 7 = 63/98 - Subtract the two like fractions:
21/98 - 63/98 = 21 - 63/98 = -42/98 - After reducing the fraction, the answer is -3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98-9/14 21/98-18/14 21/98-9/28 63/98-9/14 21/98-27/14 21/98-9/42 21/98-45/14 21/98-9/70 21/98-63/14 21/98-9/98