Add 27/15 and 12/4
1st number: 1 12/15, 2nd number: 3 0/4
27/15 + 12/4 is 24/5.
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,
12/4 = 12 × 15/4 × 15 = 180/60 - Add the two like fractions:
108/60 + 180/60 = 108 + 180/60 = 288/60 - 288/60 simplified gives 24/5
- So, 27/15 + 12/4 = 24/5
In mixed form: 44/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+12/4 27/15+24/4 27/30+12/4 27/15+12/8 81/15+12/4 27/15+36/4 27/45+12/4 27/15+60/4 27/75+12/4 27/15+12/20 27/15+84/4 27/15+12/28