Add 18/12 and 48/30
1st number: 1 6/12, 2nd number: 1 18/30
18/12 + 48/30 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
48/30 = 48 × 2/30 × 2 = 96/60 - Add the two like fractions:
90/60 + 96/60 = 90 + 96/60 = 186/60 - 186/60 simplified gives 31/10
- So, 18/12 + 48/30 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+48/30 18/12+96/30 18/24+48/30 18/12+48/60 54/12+48/30 18/36+48/30 18/12+48/90 90/12+48/30 18/60+48/30 18/84+48/30