Subtract 45/98 from 81/56
1st number: 1 25/56, 2nd number: 45/98
81/56 - 45/98 is 387/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
81/56 = 81 × 7/56 × 7 = 567/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
45/98 = 45 × 4/98 × 4 = 180/392 - Subtract the two like fractions:
567/392 - 180/392 = 567 - 180/392 = 387/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/56-90/98