Add 25/8 and 6/20
1st number: 3 1/8, 2nd number: 6/20
25/8 + 6/20 is 137/40.
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,
25/8 = 25 × 5/8 × 5 = 125/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
6/20 = 6 × 2/20 × 2 = 12/40 - Add the two like fractions:
125/40 + 12/40 = 125 + 12/40 = 137/40 - So, 25/8 + 6/20 = 137/40
In mixed form: 317/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+6/20 25/8+12/20 25/16+6/20 25/8+6/40 75/8+6/20 25/8+18/20 25/24+6/20 25/8+6/60 25/8+30/20 25/40+6/20 25/8+42/20 25/56+6/20