Add 5/20 and 4/8
5/20 + 4/8 is 3/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
5/20 = 5 × 2/20 × 2 = 10/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
4/8 = 4 × 5/8 × 5 = 20/40 - Add the two like fractions:
10/40 + 20/40 = 10 + 20/40 = 30/40 - 30/40 simplified gives 3/4
- So, 5/20 + 4/8 = 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+4/8 5/40+4/8 5/20+4/16 15/20+4/8 5/20+12/8 5/60+4/8 5/20+4/24 25/20+4/8 5/20+20/8 5/20+4/40 35/20+4/8 5/20+28/8 5/20+4/56