Add 28/20 and 16/30
1st number: 1 8/20, 2nd number: 16/30
28/20 + 16/30 is 29/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
28/20 = 28 × 3/20 × 3 = 84/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
16/30 = 16 × 2/30 × 2 = 32/60 - Add the two like fractions:
84/60 + 32/60 = 84 + 32/60 = 116/60 - 116/60 simplified gives 29/15
- So, 28/20 + 16/30 = 29/15
In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20+16/30 28/20+32/30 28/40+16/30 28/20+16/60 84/20+16/30 28/20+48/30 28/60+16/30 28/20+16/90 28/20+80/30