Add 12/20 and 30/3
1st number: 12/20, 2nd number: 10 0/3
12/20 + 30/3 is 53/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
30/3 = 30 × 20/3 × 20 = 600/60 - Add the two like fractions:
36/60 + 600/60 = 36 + 600/60 = 636/60 - 636/60 simplified gives 53/5
- So, 12/20 + 30/3 = 53/5
In mixed form: 103/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+30/3 12/20+60/3 12/40+30/3 12/20+30/6 36/20+30/3 12/20+90/3 12/60+30/3 12/20+30/9 60/20+30/3 12/20+30/15 84/20+30/3 12/20+30/21