Add 7/2 and 28/30
1st number: 3 1/2, 2nd number: 28/30
7/2 + 28/30 is 133/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
7/2 = 7 × 15/2 × 15 = 105/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
28/30 = 28 × 1/30 × 1 = 28/30 - Add the two like fractions:
105/30 + 28/30 = 105 + 28/30 = 133/30 - So, 7/2 + 28/30 = 133/30
In mixed form: 413/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+28/30 7/2+56/30 7/4+28/30 7/2+28/60 21/2+28/30 7/2+84/30 7/6+28/30 7/2+28/90 35/2+28/30 7/10+28/30 49/2+28/30 7/14+28/30