Add 54/15 and 54/30
1st number: 3 9/15, 2nd number: 1 24/30
54/15 + 54/30 is 27/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
54/15 = 54 × 2/15 × 2 = 108/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
54/30 = 54 × 1/30 × 1 = 54/30 - Add the two like fractions:
108/30 + 54/30 = 108 + 54/30 = 162/30 - 162/30 simplified gives 27/5
- So, 54/15 + 54/30 = 27/5
In mixed form: 52/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+54/30 54/15+54/60 54/45+54/30 54/15+54/90 54/75+54/30