Add 9/5 and 63/12
1st number: 1 4/5, 2nd number: 5 3/12
9/5 + 63/12 is 141/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
9/5 = 9 × 12/5 × 12 = 108/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
63/12 = 63 × 5/12 × 5 = 315/60 - Add the two like fractions:
108/60 + 315/60 = 108 + 315/60 = 423/60 - 423/60 simplified gives 141/20
- So, 9/5 + 63/12 = 141/20
In mixed form: 71/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5+63/12 9/10+63/12 9/5+63/24 27/5+63/12 9/15+63/12 9/5+63/36 45/5+63/12 9/25+63/12 9/5+63/60 63/5+63/12 9/35+63/12 9/5+63/84