Add 81/15 and 1/9
1st number: 5 6/15, 2nd number: 1/9
81/15 + 1/9 is 248/45.
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,
1/9 = 1 × 5/9 × 5 = 5/45 - Add the two like fractions:
243/45 + 5/45 = 243 + 5/45 = 248/45 - So, 81/15 + 1/9 = 248/45
In mixed form: 523/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/15+2/9 81/30+1/9 81/15+1/18 81/15+3/9 81/45+1/9 81/15+1/27 81/15+5/9 81/75+1/9 81/15+1/45 81/15+7/9 81/15+1/63