Add 9/20 and 30/12
1st number: 9/20, 2nd number: 2 6/12
9/20 + 30/12 is 59/20.
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,
9/20 = 9 × 3/20 × 3 = 27/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60 - Add the two like fractions:
27/60 + 150/60 = 27 + 150/60 = 177/60 - 177/60 simplified gives 59/20
- So, 9/20 + 30/12 = 59/20
In mixed form: 219/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20+30/12 9/20+60/12 9/40+30/12 9/20+30/24 27/20+30/12 9/20+90/12 9/60+30/12 9/20+30/36 45/20+30/12 9/20+30/60 63/20+30/12 9/20+30/84