Add 28/30 and 2/15
28/30 + 2/15 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
28/30 = 28 × 1/30 × 1 = 28/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
2/15 = 2 × 2/15 × 2 = 4/30 - Add the two like fractions:
28/30 + 4/30 = 28 + 4/30 = 32/30 - 32/30 simplified gives 16/15
- So, 28/30 + 2/15 = 16/15
In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+2/15 28/30+4/15 28/60+2/15 28/30+2/30 84/30+2/15 28/30+6/15 28/90+2/15 28/30+2/45 28/30+10/15 28/30+2/75 28/30+14/15