Add 27/15 and 42/60
1st number: 1 12/15, 2nd number: 42/60
27/15 + 42/60 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 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 60 × 1 = 60,
42/60 = 42 × 1/60 × 1 = 42/60 - Add the two like fractions:
108/60 + 42/60 = 108 + 42/60 = 150/60 - 150/60 simplified gives 5/2
- So, 27/15 + 42/60 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+42/60 27/15+84/60 27/30+42/60 81/15+42/60 27/45+42/60 27/75+42/60