Add 1/3 and 72/15
1st number: 1/3, 2nd number: 4 12/15
1/3 + 72/15 is 77/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
1/3 = 1 × 5/3 × 5 = 5/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
72/15 = 72 × 1/15 × 1 = 72/15 - Add the two like fractions:
5/15 + 72/15 = 5 + 72/15 = 77/15 - So, 1/3 + 72/15 = 77/15
In mixed form: 52/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3+72/15 1/6+72/15 1/3+72/30 1/9+72/15 1/3+72/45 5/3+72/15 1/15+72/15 1/3+72/75 7/3+72/15 1/21+72/15