Subtract 14/81 from 27/8
1st number: 3 3/8, 2nd number: 14/81
27/8 - 14/81 is 2075/648.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 8 × 81 = 648,
27/8 = 27 × 81/8 × 81 = 2187/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
14/81 = 14 × 8/81 × 8 = 112/648 - Subtract the two like fractions:
2187/648 - 112/648 = 2187 - 112/648 = 2075/648 - In mixed form: 3131/648
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8-14/81 27/8-28/81 27/16-14/81 81/8-14/81 27/8-42/81 27/24-14/81 27/8-70/81 27/40-14/81 27/8-98/81 27/56-14/81