Add 28/9 and 30/72
1st number: 3 1/9, 2nd number: 30/72
28/9 + 30/72 is 127/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
28/9 = 28 × 8/9 × 8 = 224/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Add the two like fractions:
224/72 + 30/72 = 224 + 30/72 = 254/72 - 254/72 simplified gives 127/36
- So, 28/9 + 30/72 = 127/36
In mixed form: 319/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+30/72 28/9+60/72 28/18+30/72 84/9+30/72 28/9+90/72 28/27+30/72 28/45+30/72 28/63+30/72