Add 54/75 and 28/30
54/75 + 28/30 is 124/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
54/75 = 54 × 2/75 × 2 = 108/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
28/30 = 28 × 5/30 × 5 = 140/150 - Add the two like fractions:
108/150 + 140/150 = 108 + 140/150 = 248/150 - 248/150 simplified gives 124/75
- So, 54/75 + 28/30 = 124/75
In mixed form: 149/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/75+56/30 54/75+28/60 54/75+84/30 54/75+28/90