Add 72/3 and 12/20
1st number: 24 0/3, 2nd number: 12/20
72/3 + 12/20 is 123/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
72/3 = 72 × 20/3 × 20 = 1440/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Add the two like fractions:
1440/60 + 36/60 = 1440 + 36/60 = 1476/60 - 1476/60 simplified gives 123/5
- So, 72/3 + 12/20 = 123/5
In mixed form: 243/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/3+24/20 72/6+12/20 72/3+12/40 72/3+36/20 72/9+12/20 72/3+12/60 72/3+60/20 72/15+12/20 72/3+84/20 72/21+12/20