Add 28/3 and 72/15
1st number: 9 1/3, 2nd number: 4 12/15
28/3 + 72/15 is 212/15.
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,
28/3 = 28 × 5/3 × 5 = 140/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
72/15 = 72 × 1/15 × 1 = 72/15 - Add the two like fractions:
140/15 + 72/15 = 140 + 72/15 = 212/15 - So, 28/3 + 72/15 = 212/15
In mixed form: 142/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3+72/15 28/6+72/15 28/3+72/30 84/3+72/15 28/9+72/15 28/3+72/45 28/15+72/15 28/3+72/75 28/21+72/15