Subtract 1/81 from 4/48
4/48 - 1/81 is 23/324.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 48 × 27 = 1296,
4/48 = 4 × 27/48 × 27 = 108/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
1/81 = 1 × 16/81 × 16 = 16/1296 - Subtract the two like fractions:
108/1296 - 16/1296 = 108 - 16/1296 = 92/1296 - After reducing the fraction, the answer is 23/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/48-1/81 4/48-2/81 4/96-1/81 12/48-1/81 4/48-3/81 20/48-1/81 4/48-5/81 28/48-1/81 4/48-7/81