Add 63/12 and 63/30
1st number: 5 3/12, 2nd number: 2 3/30
63/12 + 63/30 is 147/20.
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,
63/12 = 63 × 5/12 × 5 = 315/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
63/30 = 63 × 2/30 × 2 = 126/60 - Add the two like fractions:
315/60 + 126/60 = 315 + 126/60 = 441/60 - 441/60 simplified gives 147/20
- So, 63/12 + 63/30 = 147/20
In mixed form: 77/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/24+63/30 63/12+63/60 63/36+63/30 63/12+63/90 63/60+63/30 63/84+63/30