Add 4/81 and 1/8
4/81 + 1/8 is 113/648.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 8 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
4/81 = 4 × 8/81 × 8 = 32/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
1/8 = 1 × 81/8 × 81 = 81/648 - Add the two like fractions:
32/648 + 81/648 = 32 + 81/648 = 113/648 - So, 4/81 + 1/8 = 113/648
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/81+1/8 4/81+2/8 4/81+1/16 12/81+1/8 4/81+3/8 4/81+1/24 20/81+1/8 4/81+5/8 4/81+1/40 28/81+1/8 4/81+7/8 4/81+1/56