Add 15/81 and 30/50
15/81 + 30/50 is 106/135.
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,
15/81 = 15 × 50/81 × 50 = 750/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
30/50 = 30 × 81/50 × 81 = 2430/4050 - Add the two like fractions:
750/4050 + 2430/4050 = 750 + 2430/4050 = 3180/4050 - 3180/4050 simplified gives 106/135
- So, 15/81 + 30/50 = 106/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/81+30/50 15/81+60/50 45/81+30/50 15/81+90/50 75/81+30/50