Add 3/5 and 72/9
1st number: 3/5, 2nd number: 8 0/9
3/5 + 72/9 is 43/5.
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,
3/5 = 3 × 9/5 × 9 = 27/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
72/9 = 72 × 5/9 × 5 = 360/45 - Add the two like fractions:
27/45 + 360/45 = 27 + 360/45 = 387/45 - 387/45 simplified gives 43/5
- So, 3/5 + 72/9 = 43/5
In mixed form: 83/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5+72/9 3/10+72/9 3/5+72/18 9/5+72/9 3/15+72/9 3/5+72/27 15/5+72/9 3/25+72/9 3/5+72/45 21/5+72/9 3/35+72/9 3/5+72/63