Add 1/15 and 42/9
1st number: 1/15, 2nd number: 4 6/9
1/15 + 42/9 is 71/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
1/15 = 1 × 3/15 × 3 = 3/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
42/9 = 42 × 5/9 × 5 = 210/45 - Add the two like fractions:
3/45 + 210/45 = 3 + 210/45 = 213/45 - 213/45 simplified gives 71/15
- So, 1/15 + 42/9 = 71/15
In mixed form: 411/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+42/9 1/15+84/9 1/30+42/9 1/15+42/18 3/15+42/9 1/45+42/9 1/15+42/27 5/15+42/9 1/75+42/9 1/15+42/45 7/15+42/9 1/15+42/63