Add 6/30 and 20/12
1st number: 6/30, 2nd number: 1 8/12
6/30 + 20/12 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
6/30 = 6 × 2/30 × 2 = 12/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
20/12 = 20 × 5/12 × 5 = 100/60 - Add the two like fractions:
12/60 + 100/60 = 12 + 100/60 = 112/60 - 112/60 simplified gives 28/15
- So, 6/30 + 20/12 = 28/15
In mixed form: 113/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30+20/12 6/30+40/12 6/60+20/12 6/30+20/24 18/30+20/12 6/30+60/12 6/90+20/12 6/30+20/36 6/30+20/60 42/30+20/12 6/30+20/84