Add 1/12 and 63/45
1st number: 1/12, 2nd number: 1 18/45
1/12 + 63/45 is 89/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
1/12 = 1 × 15/12 × 15 = 15/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
63/45 = 63 × 4/45 × 4 = 252/180 - Add the two like fractions:
15/180 + 252/180 = 15 + 252/180 = 267/180 - 267/180 simplified gives 89/60
- So, 1/12 + 63/45 = 89/60
In mixed form: 129/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12+63/45 1/24+63/45 1/12+63/90 3/12+63/45 1/36+63/45 5/12+63/45 1/60+63/45 7/12+63/45 1/84+63/45