Add 27/15 and 24/20
1st number: 1 12/15, 2nd number: 1 4/20
27/15 + 24/20 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
27/15 = 27 × 4/15 × 4 = 108/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
24/20 = 24 × 3/20 × 3 = 72/60 - Add the two like fractions:
108/60 + 72/60 = 108 + 72/60 = 180/60 - 180/60 simplified gives 3/1
- So, 27/15 + 24/20 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+24/20 27/15+48/20 27/30+24/20 27/15+24/40 81/15+24/20 27/15+72/20 27/45+24/20 27/15+24/60 27/75+24/20