Add 28/24 and 15/72
1st number: 1 4/24, 2nd number: 15/72
28/24 + 15/72 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
28/24 = 28 × 3/24 × 3 = 84/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
15/72 = 15 × 1/72 × 1 = 15/72 - Add the two like fractions:
84/72 + 15/72 = 84 + 15/72 = 99/72 - 99/72 simplified gives 11/8
- So, 28/24 + 15/72 = 11/8
In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24+15/72 28/24+30/72 28/48+15/72 84/24+15/72 28/24+45/72 28/72+15/72 28/24+75/72