Add 42/15 and 6/9
1st number: 2 12/15, 2nd number: 6/9
42/15 + 6/9 is 52/15.
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,
42/15 = 42 × 3/15 × 3 = 126/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
6/9 = 6 × 5/9 × 5 = 30/45 - Add the two like fractions:
126/45 + 30/45 = 126 + 30/45 = 156/45 - 156/45 simplified gives 52/15
- So, 42/15 + 6/9 = 52/15
In mixed form: 37/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+6/9 42/15+12/9 42/30+6/9 42/15+6/18 42/15+18/9 42/45+6/9 42/15+6/27 42/15+30/9 42/75+6/9 42/15+6/45 42/15+42/9 42/15+6/63