Subtract 98/14 from 21/25
1st number: 21/25, 2nd number: 7 0/14
21/25 - 98/14 is -154/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 14 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
21/25 = 21 × 14/25 × 14 = 294/350 - Likewise, for the 2nd fraction, since 14 × 25 = 350,
98/14 = 98 × 25/14 × 25 = 2450/350 - Subtract the two like fractions:
294/350 - 2450/350 = 294 - 2450/350 = -2156/350 - After reducing the fraction, the answer is -154/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25-98/14 21/50-98/14 21/25-98/28 63/25-98/14 21/75-98/14 21/25-98/42 21/25-98/70