Add 25/81 and 3/8
25/81 + 3/8 is 443/648.
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,
25/81 = 25 × 8/81 × 8 = 200/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
3/8 = 3 × 81/8 × 81 = 243/648 - Add the two like fractions:
200/648 + 243/648 = 200 + 243/648 = 443/648 - So, 25/81 + 3/8 = 443/648
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/81+3/8 25/81+6/8 25/81+3/16 75/81+3/8 25/81+9/8 25/81+3/24 25/81+15/8 25/81+3/40 25/81+21/8 25/81+3/56