Add 27/15 and 20/4
1st number: 1 12/15, 2nd number: 5 0/4
27/15 + 20/4 is 34/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 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 4 × 15 = 60,
20/4 = 20 × 15/4 × 15 = 300/60 - Add the two like fractions:
108/60 + 300/60 = 108 + 300/60 = 408/60 - 408/60 simplified gives 34/5
- So, 27/15 + 20/4 = 34/5
In mixed form: 64/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+20/4 27/15+40/4 27/30+20/4 27/15+20/8 81/15+20/4 27/15+60/4 27/45+20/4 27/15+20/12 27/75+20/4 27/15+20/28