Subtract 9/21 from 6/48
6/48 - 9/21 is -17/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
6/48 = 6 × 7/48 × 7 = 42/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
9/21 = 9 × 16/21 × 16 = 144/336 - Subtract the two like fractions:
42/336 - 144/336 = 42 - 144/336 = -102/336 - After reducing the fraction, the answer is -17/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/48-9/21 6/48-18/21 6/96-9/21 6/48-9/42 18/48-9/21 6/48-27/21 6/48-9/63 30/48-9/21 6/48-45/21 42/48-9/21 6/48-63/21