Add 30/81 and 30/48
30/81 + 30/48 is 215/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 48 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 81 × 16 = 1296,
30/81 = 30 × 16/81 × 16 = 480/1296 - Likewise, for the 2nd fraction, since 48 × 27 = 1296,
30/48 = 30 × 27/48 × 27 = 810/1296 - Add the two like fractions:
480/1296 + 810/1296 = 480 + 810/1296 = 1290/1296 - 1290/1296 simplified gives 215/216
- So, 30/81 + 30/48 = 215/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/81+30/48 30/81+60/48 30/81+30/96 90/81+30/48 30/81+90/48