Add 16/12 and 18/15
1st number: 1 4/12, 2nd number: 1 3/15
16/12 + 18/15 is 38/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
16/12 = 16 × 5/12 × 5 = 80/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
18/15 = 18 × 4/15 × 4 = 72/60 - Add the two like fractions:
80/60 + 72/60 = 80 + 72/60 = 152/60 - 152/60 simplified gives 38/15
- So, 16/12 + 18/15 = 38/15
In mixed form: 28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/12+18/15 16/12+36/15 16/24+18/15 16/12+18/30 48/12+18/15 16/12+54/15 16/36+18/15 16/12+18/45 80/12+18/15 16/12+90/15 16/60+18/15 16/12+18/75 16/84+18/15