Add 15/30 and 16/15
1st number: 15/30, 2nd number: 1 1/15
15/30 + 16/15 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
15/30 = 15 × 1/30 × 1 = 15/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
16/15 = 16 × 2/15 × 2 = 32/30 - Add the two like fractions:
15/30 + 32/30 = 15 + 32/30 = 47/30 - So, 15/30 + 16/15 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30+32/15 15/60+16/15 15/30+16/30 45/30+16/15 15/30+48/15 15/90+16/15 15/30+16/45 75/30+16/15 15/30+80/15 15/30+16/75