Add 72/5 and 3/7
1st number: 14 2/5, 2nd number: 3/7
72/5 + 3/7 is 519/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
72/5 = 72 × 7/5 × 7 = 504/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
3/7 = 3 × 5/7 × 5 = 15/35 - Add the two like fractions:
504/35 + 15/35 = 504 + 15/35 = 519/35 - So, 72/5 + 3/7 = 519/35
In mixed form: 1429/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5+6/7 72/10+3/7 72/5+3/14 72/5+9/7 72/15+3/7 72/5+3/21 72/5+15/7 72/25+3/7 72/5+3/35 72/5+21/7 72/35+3/7 72/5+3/49