Add 3/15 and 20/25
3/15 + 20/25 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
3/15 = 3 × 5/15 × 5 = 15/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
20/25 = 20 × 3/25 × 3 = 60/75 - Add the two like fractions:
15/75 + 60/75 = 15 + 60/75 = 75/75 - 75/75 simplified gives 1/1
- So, 3/15 + 20/25 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+20/25 3/15+40/25 3/30+20/25 3/15+20/50 9/15+20/25 3/15+60/25 3/45+20/25 3/15+20/75 3/75+20/25 21/15+20/25