Add 30/81 and 1/8
30/81 + 1/8 is 107/216.
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,
30/81 = 30 × 8/81 × 8 = 240/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
1/8 = 1 × 81/8 × 81 = 81/648 - Add the two like fractions:
240/648 + 81/648 = 240 + 81/648 = 321/648 - 321/648 simplified gives 107/216
- So, 30/81 + 1/8 = 107/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/81+1/8 30/81+2/8 30/81+1/16 90/81+1/8 30/81+3/8 30/81+1/24 30/81+5/8 30/81+1/40 30/81+7/8 30/81+1/56