Add 2/10 and 28/80
2/10 + 28/80 is 11/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
2/10 = 2 × 8/10 × 8 = 16/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
28/80 = 28 × 1/80 × 1 = 28/80 - Add the two like fractions:
16/80 + 28/80 = 16 + 28/80 = 44/80 - 44/80 simplified gives 11/20
- So, 2/10 + 28/80 = 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10+28/80 2/10+56/80 2/20+28/80 6/10+28/80 2/10+84/80 2/30+28/80 2/50+28/80 14/10+28/80 2/70+28/80