Add 81/5 and 60/9
1st number: 16 1/5, 2nd number: 6 6/9
81/5 + 60/9 is 343/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
81/5 = 81 × 9/5 × 9 = 729/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
60/9 = 60 × 5/9 × 5 = 300/45 - Add the two like fractions:
729/45 + 300/45 = 729 + 300/45 = 1029/45 - 1029/45 simplified gives 343/15
- So, 81/5 + 60/9 = 343/15
In mixed form: 2213/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10+60/9 81/5+60/18 81/15+60/9 81/5+60/27 81/25+60/9 81/5+60/45 81/35+60/9 81/5+60/63