Add 42/3 and 27/15
1st number: 14 0/3, 2nd number: 1 12/15
42/3 + 27/15 is 79/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
42/3 = 42 × 5/3 × 5 = 210/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
27/15 = 27 × 1/15 × 1 = 27/15 - Add the two like fractions:
210/15 + 27/15 = 210 + 27/15 = 237/15 - 237/15 simplified gives 79/5
- So, 42/3 + 27/15 = 79/5
In mixed form: 154/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3+27/15 42/3+54/15 42/6+27/15 42/3+27/30 42/3+81/15 42/9+27/15 42/3+27/45 42/15+27/15 42/3+27/75 42/21+27/15