Add 60/20 and 28/15
1st number: 3 0/20, 2nd number: 1 13/15
60/20 + 28/15 is 73/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
60/20 = 60 × 3/20 × 3 = 180/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60 - Add the two like fractions:
180/60 + 112/60 = 180 + 112/60 = 292/60 - 292/60 simplified gives 73/15
- So, 60/20 + 28/15 = 73/15
In mixed form: 413/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+56/15 60/40+28/15 60/20+28/30 60/20+84/15 60/20+28/45 60/20+28/75