Add 63/12 and 72/5
1st number: 5 3/12, 2nd number: 14 2/5
63/12 + 72/5 is 393/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 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 5 × 12 = 60,
72/5 = 72 × 12/5 × 12 = 864/60 - Add the two like fractions:
315/60 + 864/60 = 315 + 864/60 = 1179/60 - 1179/60 simplified gives 393/20
- So, 63/12 + 72/5 = 393/20
In mixed form: 1913/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/24+72/5 63/12+72/10 63/36+72/5 63/12+72/15 63/60+72/5 63/12+72/25 63/84+72/5 63/12+72/35