Subtract 49/48 from 20/49
1st number: 20/49, 2nd number: 1 1/48
20/49 - 49/48 is -1441/2352.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 48 is 2352
Next, find the equivalent fraction of both fractional numbers with denominator 2352 - For the 1st fraction, since 49 × 48 = 2352,
20/49 = 20 × 48/49 × 48 = 960/2352 - Likewise, for the 2nd fraction, since 48 × 49 = 2352,
49/48 = 49 × 49/48 × 49 = 2401/2352 - Subtract the two like fractions:
960/2352 - 2401/2352 = 960 - 2401/2352 = -1441/2352
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/49-49/48 20/49-98/48 20/98-49/48 20/49-49/96 60/49-49/48