Subtract 21/4 from 35/98
1st number: 35/98, 2nd number: 5 1/4
35/98 - 21/4 is -137/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
35/98 = 35 × 2/98 × 2 = 70/196 - Likewise, for the 2nd fraction, since 4 × 49 = 196,
21/4 = 21 × 49/4 × 49 = 1029/196 - Subtract the two like fractions:
70/196 - 1029/196 = 70 - 1029/196 = -959/196 - After reducing the fraction, the answer is -137/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98-21/4 35/98-42/4 35/98-21/8 35/98-63/4 35/98-21/12 35/98-21/20 35/98-21/28