Add 8/20 and 25/8
1st number: 8/20, 2nd number: 3 1/8
8/20 + 25/8 is 141/40.
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,
8/20 = 8 × 2/20 × 2 = 16/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
25/8 = 25 × 5/8 × 5 = 125/40 - Add the two like fractions:
16/40 + 125/40 = 16 + 125/40 = 141/40 - So, 8/20 + 25/8 = 141/40
In mixed form: 321/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+25/8 8/20+50/8 8/40+25/8 8/20+25/16 24/20+25/8 8/20+75/8 8/60+25/8 8/20+25/24 40/20+25/8 8/20+25/40 56/20+25/8 8/20+25/56