Add 10/8 and 3/81
1st number: 1 2/8, 2nd number: 3/81
10/8 + 3/81 is 139/108.
Steps for adding 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,
10/8 = 10 × 81/8 × 81 = 810/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
3/81 = 3 × 8/81 × 8 = 24/648 - Add the two like fractions:
810/648 + 24/648 = 810 + 24/648 = 834/648 - 834/648 simplified gives 139/108
- So, 10/8 + 3/81 = 139/108
In mixed form: 131/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+3/81 10/8+6/81 10/16+3/81 30/8+3/81 10/8+9/81 10/24+3/81 50/8+3/81 10/8+15/81 10/40+3/81 70/8+3/81 10/8+21/81 10/56+3/81