Add 15/20 and 4/30
15/20 + 4/30 is 53/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
4/30 = 4 × 2/30 × 2 = 8/60 - Add the two like fractions:
45/60 + 8/60 = 45 + 8/60 = 53/60 - So, 15/20 + 4/30 = 53/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+4/30 15/20+8/30 15/40+4/30 15/20+4/60 45/20+4/30 15/20+12/30 15/60+4/30 15/20+4/90 75/20+4/30 15/20+20/30 15/20+28/30