Add 4/20 and 25/8
1st number: 4/20, 2nd number: 3 1/8
4/20 + 25/8 is 133/40.
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,
4/20 = 4 × 2/20 × 2 = 8/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
25/8 = 25 × 5/8 × 5 = 125/40 - Add the two like fractions:
8/40 + 125/40 = 8 + 125/40 = 133/40 - So, 4/20 + 25/8 = 133/40
In mixed form: 313/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20+25/8 4/20+50/8 4/40+25/8 4/20+25/16 12/20+25/8 4/20+75/8 4/60+25/8 4/20+25/24 4/20+25/40 28/20+25/8 4/20+25/56