Add 63/12 and 72/30
1st number: 5 3/12, 2nd number: 2 12/30
63/12 + 72/30 is 153/20.
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,
72/30 = 72 × 2/30 × 2 = 144/60 - Add the two like fractions:
315/60 + 144/60 = 315 + 144/60 = 459/60 - 459/60 simplified gives 153/20
- So, 63/12 + 72/30 = 153/20
In mixed form: 713/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/24+72/30 63/12+72/60 63/36+72/30 63/12+72/90 63/60+72/30 63/84+72/30