Add 28/72 and 25/8
1st number: 28/72, 2nd number: 3 1/8
28/72 + 25/8 is 253/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
25/8 = 25 × 9/8 × 9 = 225/72 - Add the two like fractions:
28/72 + 225/72 = 28 + 225/72 = 253/72 - So, 28/72 + 25/8 = 253/72
In mixed form: 337/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/72+25/8 28/72+50/8 28/72+25/16 84/72+25/8 28/72+75/8 28/72+25/24 28/72+25/40 28/72+25/56