Add 16/15 and 81/30
1st number: 1 1/15, 2nd number: 2 21/30
16/15 + 81/30 is 113/30.
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,
16/15 = 16 × 2/15 × 2 = 32/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
81/30 = 81 × 1/30 × 1 = 81/30 - Add the two like fractions:
32/30 + 81/30 = 32 + 81/30 = 113/30 - So, 16/15 + 81/30 = 113/30
In mixed form: 323/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15+81/30 16/30+81/30 16/15+81/60 48/15+81/30 16/45+81/30 16/15+81/90 80/15+81/30 16/75+81/30