Add 7/9 and 54/15
1st number: 7/9, 2nd number: 3 9/15
7/9 + 54/15 is 197/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
7/9 = 7 × 5/9 × 5 = 35/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
54/15 = 54 × 3/15 × 3 = 162/45 - Add the two like fractions:
35/45 + 162/45 = 35 + 162/45 = 197/45 - So, 7/9 + 54/15 = 197/45
In mixed form: 417/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9+54/15 7/18+54/15 7/9+54/30 21/9+54/15 7/27+54/15 7/9+54/45 35/9+54/15 7/45+54/15 7/9+54/75 49/9+54/15 7/63+54/15