Add 63/45 and 2/12
1st number: 1 18/45, 2nd number: 2/12
63/45 + 2/12 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
63/45 = 63 × 4/45 × 4 = 252/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
2/12 = 2 × 15/12 × 15 = 30/180 - Add the two like fractions:
252/180 + 30/180 = 252 + 30/180 = 282/180 - 282/180 simplified gives 47/30
- So, 63/45 + 2/12 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45+4/12 63/90+2/12 63/45+2/24 63/45+6/12 63/45+2/36 63/45+10/12 63/45+2/60 63/45+14/12 63/45+2/84