Add 30/5 and 63/12
1st number: 6 0/5, 2nd number: 5 3/12
30/5 + 63/12 is 45/4.
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,
30/5 = 30 × 12/5 × 12 = 360/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
63/12 = 63 × 5/12 × 5 = 315/60 - Add the two like fractions:
360/60 + 315/60 = 360 + 315/60 = 675/60 - 675/60 simplified gives 45/4
- So, 30/5 + 63/12 = 45/4
In mixed form: 111/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5+63/12 30/10+63/12 30/5+63/24 90/5+63/12 30/15+63/12 30/5+63/36 30/25+63/12 30/5+63/60 30/35+63/12 30/5+63/84