Add 30/81 and 15/50
30/81 + 15/50 is 181/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 50 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 81 × 50 = 4050,
30/81 = 30 × 50/81 × 50 = 1500/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
15/50 = 15 × 81/50 × 81 = 1215/4050 - Add the two like fractions:
1500/4050 + 1215/4050 = 1500 + 1215/4050 = 2715/4050 - 2715/4050 simplified gives 181/270
- So, 30/81 + 15/50 = 181/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/81+15/50 30/81+30/50 90/81+15/50 30/81+45/50 30/81+75/50