Add 63/60 and 27/15
1st number: 1 3/60, 2nd number: 1 12/15
63/60 + 27/15 is 57/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
63/60 = 63 × 1/60 × 1 = 63/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
27/15 = 27 × 4/15 × 4 = 108/60 - Add the two like fractions:
63/60 + 108/60 = 63 + 108/60 = 171/60 - 171/60 simplified gives 57/20
- So, 63/60 + 27/15 = 57/20
In mixed form: 217/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/60+54/15 63/60+27/30 63/60+81/15 63/60+27/45 63/60+27/75