Subtract 98/21 from 14/20
1st number: 14/20, 2nd number: 4 14/21
14/20 - 98/21 is -119/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
14/20 = 14 × 21/20 × 21 = 294/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
98/21 = 98 × 20/21 × 20 = 1960/420 - Subtract the two like fractions:
294/420 - 1960/420 = 294 - 1960/420 = -1666/420 - After reducing the fraction, the answer is -119/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/20-98/21 14/40-98/21 14/20-98/42 42/20-98/21 14/60-98/21 14/20-98/63 70/20-98/21 98/20-98/21