Add 20/60 and 18/30
20/60 + 18/30 is 14/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
20/60 = 20 × 1/60 × 1 = 20/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
18/30 = 18 × 2/30 × 2 = 36/60 - Add the two like fractions:
20/60 + 36/60 = 20 + 36/60 = 56/60 - 56/60 simplified gives 14/15
- So, 20/60 + 18/30 = 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60+18/30 20/60+36/30 20/60+18/60 20/60+54/30 20/60+18/90 20/60+90/30