Add 27/15 and 10/12
1st number: 1 12/15, 2nd number: 10/12
27/15 + 10/12 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 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 12 × 5 = 60,
10/12 = 10 × 5/12 × 5 = 50/60 - Add the two like fractions:
108/60 + 50/60 = 108 + 50/60 = 158/60 - 158/60 simplified gives 79/30
- So, 27/15 + 10/12 = 79/30
In mixed form: 219/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+10/12 27/15+20/12 27/30+10/12 27/15+10/24 81/15+10/12 27/15+30/12 27/45+10/12 27/15+10/36 27/15+50/12 27/75+10/12 27/15+10/60 27/15+70/12 27/15+10/84