Add 30/81 and 48/49
30/81 + 48/49 is 1786/1323.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 49 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 81 × 49 = 3969,
30/81 = 30 × 49/81 × 49 = 1470/3969 - Likewise, for the 2nd fraction, since 49 × 81 = 3969,
48/49 = 48 × 81/49 × 81 = 3888/3969 - Add the two like fractions:
1470/3969 + 3888/3969 = 1470 + 3888/3969 = 5358/3969 - 5358/3969 simplified gives 1786/1323
- So, 30/81 + 48/49 = 1786/1323
In mixed form: 1463/1323
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/81+48/49 30/81+96/49 30/81+48/98 90/81+48/49