Add 75/8 and 7/81
1st number: 9 3/8, 2nd number: 7/81
75/8 + 7/81 is 6131/648.
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,
75/8 = 75 × 81/8 × 81 = 6075/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
7/81 = 7 × 8/81 × 8 = 56/648 - Add the two like fractions:
6075/648 + 56/648 = 6075 + 56/648 = 6131/648 - So, 75/8 + 7/81 = 6131/648
In mixed form: 9299/648
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/8+14/81 75/16+7/81 75/8+21/81 75/24+7/81 75/8+35/81 75/40+7/81 75/8+49/81 75/56+7/81