Add 15/9 and 27/42
1st number: 1 6/9, 2nd number: 27/42
15/9 + 27/42 is 97/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
15/9 = 15 × 14/9 × 14 = 210/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
27/42 = 27 × 3/42 × 3 = 81/126 - Add the two like fractions:
210/126 + 81/126 = 210 + 81/126 = 291/126 - 291/126 simplified gives 97/42
- So, 15/9 + 27/42 = 97/42
In mixed form: 213/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9+27/42 15/9+54/42 15/18+27/42 15/9+27/84 45/9+27/42 15/9+81/42 15/27+27/42 75/9+27/42 15/45+27/42 15/63+27/42