Add 81/15 and 48/9
1st number: 5 6/15, 2nd number: 5 3/9
81/15 + 48/9 is 161/15.
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,
81/15 = 81 × 3/15 × 3 = 243/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
48/9 = 48 × 5/9 × 5 = 240/45 - Add the two like fractions:
243/45 + 240/45 = 243 + 240/45 = 483/45 - 483/45 simplified gives 161/15
- So, 81/15 + 48/9 = 161/15
In mixed form: 1011/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/15+96/9 81/30+48/9 81/15+48/18 81/45+48/9 81/15+48/27 81/75+48/9 81/15+48/45 81/15+48/63