Add 15/56 and 30/9
1st number: 15/56, 2nd number: 3 3/9
15/56 + 30/9 is 605/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
15/56 = 15 × 9/56 × 9 = 135/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
30/9 = 30 × 56/9 × 56 = 1680/504 - Add the two like fractions:
135/504 + 1680/504 = 135 + 1680/504 = 1815/504 - 1815/504 simplified gives 605/168
- So, 15/56 + 30/9 = 605/168
In mixed form: 3101/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+30/9 15/56+60/9 15/56+30/18 45/56+30/9 15/56+90/9 15/56+30/27 75/56+30/9 15/56+30/45 15/56+30/63