Add 2/30 and 27/20
1st number: 2/30, 2nd number: 1 7/20
2/30 + 27/20 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
2/30 = 2 × 2/30 × 2 = 4/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
27/20 = 27 × 3/20 × 3 = 81/60 - Add the two like fractions:
4/60 + 81/60 = 4 + 81/60 = 85/60 - 85/60 simplified gives 17/12
- So, 2/30 + 27/20 = 17/12
In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+27/20 2/30+54/20 2/60+27/20 2/30+27/40 6/30+27/20 2/30+81/20 2/90+27/20 2/30+27/60 10/30+27/20 14/30+27/20