Add 72/28 and 30/75
1st number: 2 16/28, 2nd number: 30/75
72/28 + 30/75 is 104/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
72/28 = 72 × 75/28 × 75 = 5400/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
30/75 = 30 × 28/75 × 28 = 840/2100 - Add the two like fractions:
5400/2100 + 840/2100 = 5400 + 840/2100 = 6240/2100 - 6240/2100 simplified gives 104/35
- So, 72/28 + 30/75 = 104/35
In mixed form: 234/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+60/75 72/56+30/75 72/28+90/75 72/84+30/75