Add 1/9 and 42/15
1st number: 1/9, 2nd number: 2 12/15
1/9 + 42/15 is 131/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
1/9 = 1 × 5/9 × 5 = 5/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
42/15 = 42 × 3/15 × 3 = 126/45 - Add the two like fractions:
5/45 + 126/45 = 5 + 126/45 = 131/45 - So, 1/9 + 42/15 = 131/45
In mixed form: 241/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/9+42/15 1/9+84/15 1/18+42/15 1/9+42/30 3/9+42/15 1/27+42/15 1/9+42/45 5/9+42/15 1/45+42/15 1/9+42/75 7/9+42/15 1/63+42/15