Add 30/75 and 15/50
30/75 + 15/50 is 7/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
30/75 = 30 × 2/75 × 2 = 60/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
15/50 = 15 × 3/50 × 3 = 45/150 - Add the two like fractions:
60/150 + 45/150 = 60 + 45/150 = 105/150 - 105/150 simplified gives 7/10
- So, 30/75 + 15/50 = 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75+15/50 30/75+30/50 90/75+15/50 30/75+45/50 30/75+75/50