Add 2/8 and 4/20
2/8 + 4/20 is 9/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
2/8 = 2 × 5/8 × 5 = 10/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
4/20 = 4 × 2/20 × 2 = 8/40 - Add the two like fractions:
10/40 + 8/40 = 10 + 8/40 = 18/40 - 18/40 simplified gives 9/20
- So, 2/8 + 4/20 = 9/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+4/20 2/8+8/20 2/16+4/20 2/8+4/40 6/8+4/20 2/8+12/20 2/24+4/20 2/8+4/60 10/8+4/20 2/40+4/20 14/8+4/20 2/8+28/20 2/56+4/20