Add 15/20 and 4/25
15/20 + 4/25 is 91/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
15/20 = 15 × 5/20 × 5 = 75/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
4/25 = 4 × 4/25 × 4 = 16/100 - Add the two like fractions:
75/100 + 16/100 = 75 + 16/100 = 91/100 - So, 15/20 + 4/25 = 91/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+4/25 15/20+8/25 15/40+4/25 15/20+4/50 45/20+4/25 15/20+12/25 15/60+4/25 15/20+4/75 75/20+4/25 15/20+20/25 15/20+28/25