Add 12/15 and 54/75
12/15 + 54/75 is 38/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
12/15 = 12 × 5/15 × 5 = 60/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
54/75 = 54 × 1/75 × 1 = 54/75 - Add the two like fractions:
60/75 + 54/75 = 60 + 54/75 = 114/75 - 114/75 simplified gives 38/25
- So, 12/15 + 54/75 = 38/25
In mixed form: 113/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+54/75 12/30+54/75 36/15+54/75 12/45+54/75 60/15+54/75 12/75+54/75 84/15+54/75