Subtract 7/48 from 20/28
20/28 - 7/48 is 191/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 28 × 12 = 336,
20/28 = 20 × 12/28 × 12 = 240/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
7/48 = 7 × 7/48 × 7 = 49/336 - Subtract the two like fractions:
240/336 - 49/336 = 240 - 49/336 = 191/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28-7/48 20/28-14/48 20/56-7/48 20/28-7/96 60/28-7/48 20/28-21/48 20/84-7/48 20/28-35/48 20/28-49/48