Add 5/20 and 20/8
1st number: 5/20, 2nd number: 2 4/8
5/20 + 20/8 is 11/4.
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,
20/8 = 20 × 5/8 × 5 = 100/40 - Add the two like fractions:
10/40 + 100/40 = 10 + 100/40 = 110/40 - 110/40 simplified gives 11/4
- So, 5/20 + 20/8 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+20/8 5/20+40/8 5/40+20/8 5/20+20/16 15/20+20/8 5/20+60/8 5/60+20/8 5/20+20/24 25/20+20/8 5/20+20/40 35/20+20/8 5/20+20/56