Add 18/12 and 16/30
1st number: 1 6/12, 2nd number: 16/30
18/12 + 16/30 is 61/30.
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,
16/30 = 16 × 2/30 × 2 = 32/60 - Add the two like fractions:
90/60 + 32/60 = 90 + 32/60 = 122/60 - 122/60 simplified gives 61/30
- So, 18/12 + 16/30 = 61/30
In mixed form: 21/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+16/30 18/12+32/30 18/24+16/30 18/12+16/60 54/12+16/30 18/12+48/30 18/36+16/30 18/12+16/90 90/12+16/30 18/12+80/30 18/60+16/30 18/84+16/30