Add 20/10 and 28/16
1st number: 2 0/10, 2nd number: 1 12/16
20/10 + 28/16 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
20/10 = 20 × 8/10 × 8 = 160/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
28/16 = 28 × 5/16 × 5 = 140/80 - Add the two like fractions:
160/80 + 140/80 = 160 + 140/80 = 300/80 - 300/80 simplified gives 15/4
- So, 20/10 + 28/16 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+28/16 20/10+56/16 20/10+28/32 60/10+28/16 20/10+84/16 20/30+28/16 20/10+28/48 20/50+28/16 20/10+28/80 20/70+28/16