Add 28/81 and 15/50
28/81 + 15/50 is 523/810.
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,
28/81 = 28 × 50/81 × 50 = 1400/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
15/50 = 15 × 81/50 × 81 = 1215/4050 - Add the two like fractions:
1400/4050 + 1215/4050 = 1400 + 1215/4050 = 2615/4050 - 2615/4050 simplified gives 523/810
- So, 28/81 + 15/50 = 523/810
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/81+15/50 28/81+30/50 84/81+15/50 28/81+45/50 28/81+75/50