Add 27/15 and 20/10
1st number: 1 12/15, 2nd number: 2 0/10
27/15 + 20/10 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
27/15 = 27 × 2/15 × 2 = 54/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
20/10 = 20 × 3/10 × 3 = 60/30 - Add the two like fractions:
54/30 + 60/30 = 54 + 60/30 = 114/30 - 114/30 simplified gives 19/5
- So, 27/15 + 20/10 = 19/5
In mixed form: 34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+20/10 27/15+40/10 27/30+20/10 81/15+20/10 27/15+60/10 27/45+20/10 27/15+20/30 27/75+20/10 27/15+20/50 27/15+20/70