Add 28/48 and 30/81
28/48 + 30/81 is 103/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 48 × 27 = 1296,
28/48 = 28 × 27/48 × 27 = 756/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
30/81 = 30 × 16/81 × 16 = 480/1296 - Add the two like fractions:
756/1296 + 480/1296 = 756 + 480/1296 = 1236/1296 - 1236/1296 simplified gives 103/108
- So, 28/48 + 30/81 = 103/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48+30/81 28/48+60/81 28/96+30/81 84/48+30/81 28/48+90/81