Add 15/10 and 63/12
1st number: 1 5/10, 2nd number: 5 3/12
15/10 + 63/12 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
15/10 = 15 × 6/10 × 6 = 90/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
63/12 = 63 × 5/12 × 5 = 315/60 - Add the two like fractions:
90/60 + 315/60 = 90 + 315/60 = 405/60 - 405/60 simplified gives 27/4
- So, 15/10 + 63/12 = 27/4
In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+63/12 15/20+63/12 15/10+63/24 45/10+63/12 15/30+63/12 15/10+63/36 75/10+63/12 15/50+63/12 15/10+63/60 15/70+63/12 15/10+63/84