Add 60/45 and 18/12
1st number: 1 15/45, 2nd number: 1 6/12
60/45 + 18/12 is 17/6.
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,
60/45 = 60 × 4/45 × 4 = 240/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
18/12 = 18 × 15/12 × 15 = 270/180 - Add the two like fractions:
240/180 + 270/180 = 240 + 270/180 = 510/180 - 510/180 simplified gives 17/6
- So, 60/45 + 18/12 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+36/12 60/90+18/12 60/45+18/24 60/45+54/12 60/45+18/36 60/45+90/12 60/45+18/60 60/45+18/84