Add 81/9 and 8/5
1st number: 9 0/9, 2nd number: 1 3/5
81/9 + 8/5 is 53/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
81/9 = 81 × 5/9 × 5 = 405/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
8/5 = 8 × 9/5 × 9 = 72/45 - Add the two like fractions:
405/45 + 72/45 = 405 + 72/45 = 477/45 - 477/45 simplified gives 53/5
- So, 81/9 + 8/5 = 53/5
In mixed form: 103/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/9+16/5 81/18+8/5 81/9+8/10 81/9+24/5 81/27+8/5 81/9+8/15 81/9+40/5 81/45+8/5 81/9+8/25 81/9+56/5 81/63+8/5 81/9+8/35