Subtract 1/48 from 9/21
9/21 - 1/48 is 137/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
9/21 = 9 × 16/21 × 16 = 144/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
1/48 = 1 × 7/48 × 7 = 7/336 - Subtract the two like fractions:
144/336 - 7/336 = 144 - 7/336 = 137/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21-1/48 9/21-2/48 9/42-1/48 9/21-1/96 27/21-1/48 9/21-3/48 9/63-1/48 45/21-1/48 9/21-5/48 63/21-1/48 9/21-7/48