Add 20/12 and 63/30
1st number: 1 8/12, 2nd number: 2 3/30
20/12 + 63/30 is 113/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
20/12 = 20 × 5/12 × 5 = 100/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
63/30 = 63 × 2/30 × 2 = 126/60 - Add the two like fractions:
100/60 + 126/60 = 100 + 126/60 = 226/60 - 226/60 simplified gives 113/30
- So, 20/12 + 63/30 = 113/30
In mixed form: 323/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+63/30 20/24+63/30 20/12+63/60 60/12+63/30 20/36+63/30 20/12+63/90 20/60+63/30 20/84+63/30