Add 20/2 and 28/15
1st number: 10 0/2, 2nd number: 1 13/15
20/2 + 28/15 is 178/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
20/2 = 20 × 15/2 × 15 = 300/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
28/15 = 28 × 2/15 × 2 = 56/30 - Add the two like fractions:
300/30 + 56/30 = 300 + 56/30 = 356/30 - 356/30 simplified gives 178/15
- So, 20/2 + 28/15 = 178/15
In mixed form: 1113/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2+28/15 20/2+56/15 20/4+28/15 20/2+28/30 60/2+28/15 20/2+84/15 20/6+28/15 20/2+28/45 20/10+28/15 20/2+28/75 20/14+28/15