Subtract 3/49 from 81/14
1st number: 5 11/14, 2nd number: 3/49
81/14 - 3/49 is 561/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 14 × 7 = 98,
81/14 = 81 × 7/14 × 7 = 567/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
3/49 = 3 × 2/49 × 2 = 6/98 - Subtract the two like fractions:
567/98 - 6/98 = 567 - 6/98 = 561/98 - In mixed form: 571/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/14-6/49 81/28-3/49 81/14-3/98 81/14-9/49 81/42-3/49 81/14-15/49 81/70-3/49 81/14-21/49 81/98-3/49