Add 30/20 and 4/12
1st number: 1 10/20, 2nd number: 4/12
30/20 + 4/12 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
30/20 = 30 × 3/20 × 3 = 90/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
4/12 = 4 × 5/12 × 5 = 20/60 - Add the two like fractions:
90/60 + 20/60 = 90 + 20/60 = 110/60 - 110/60 simplified gives 11/6
- So, 30/20 + 4/12 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+4/12 30/20+8/12 30/40+4/12 30/20+4/24 90/20+4/12 30/60+4/12 30/20+4/36 30/20+20/12 30/20+4/60 30/20+28/12 30/20+4/84