Add 16/15 and 45/12
1st number: 1 1/15, 2nd number: 3 9/12
16/15 + 45/12 is 289/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
16/15 = 16 × 4/15 × 4 = 64/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
45/12 = 45 × 5/12 × 5 = 225/60 - Add the two like fractions:
64/60 + 225/60 = 64 + 225/60 = 289/60 - So, 16/15 + 45/12 = 289/60
In mixed form: 449/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15+45/12 16/15+90/12 16/30+45/12 16/15+45/24 48/15+45/12 16/45+45/12 16/15+45/36 80/15+45/12 16/75+45/12 16/15+45/60 16/15+45/84