Subtract 21/48 from 8/12
8/12 - 21/48 is 11/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
8/12 = 8 × 4/12 × 4 = 32/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
21/48 = 21 × 1/48 × 1 = 21/48 - Subtract the two like fractions:
32/48 - 21/48 = 32 - 21/48 = 11/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12-21/48 8/12-42/48 8/24-21/48 8/12-21/96 24/12-21/48 8/12-63/48 8/36-21/48 40/12-21/48 8/60-21/48 56/12-21/48 8/84-21/48