Subtract 20/14 from 81/98
1st number: 81/98, 2nd number: 1 6/14
81/98 - 20/14 is -59/98.
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,
81/98 = 81 × 1/98 × 1 = 81/98 - Likewise, for the 2nd fraction, since 14 × 7 = 98,
20/14 = 20 × 7/14 × 7 = 140/98 - Subtract the two like fractions:
81/98 - 140/98 = 81 - 140/98 = -59/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/98-40/14 81/98-20/28 81/98-60/14 81/98-20/42 81/98-20/70 81/98-20/98