Add 28/15 and 48/20
1st number: 1 13/15, 2nd number: 2 8/20
28/15 + 48/20 is 64/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
48/20 = 48 × 3/20 × 3 = 144/60 - Add the two like fractions:
112/60 + 144/60 = 112 + 144/60 = 256/60 - 256/60 simplified gives 64/15
- So, 28/15 + 48/20 = 64/15
In mixed form: 44/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+48/20 28/15+96/20 28/30+48/20 28/15+48/40 84/15+48/20 28/45+48/20 28/15+48/60 28/75+48/20