Add 20/80 and 2/10
20/80 + 2/10 is 9/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
2/10 = 2 × 8/10 × 8 = 16/80 - Add the two like fractions:
20/80 + 16/80 = 20 + 16/80 = 36/80 - 36/80 simplified gives 9/20
- So, 20/80 + 2/10 = 9/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/80+2/10 20/80+4/10 20/80+2/20 60/80+2/10 20/80+6/10 20/80+2/30 20/80+2/50 20/80+14/10 20/80+2/70