Add 12/45 and 63/36
1st number: 12/45, 2nd number: 1 27/36
12/45 + 63/36 is 121/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
12/45 = 12 × 4/45 × 4 = 48/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
63/36 = 63 × 5/36 × 5 = 315/180 - Add the two like fractions:
48/180 + 315/180 = 48 + 315/180 = 363/180 - 363/180 simplified gives 121/60
- So, 12/45 + 63/36 = 121/60
In mixed form: 21/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45+63/36 12/90+63/36 12/45+63/72 36/45+63/36 60/45+63/36 84/45+63/36