Add 72/20 and 5/60
1st number: 3 12/20, 2nd number: 5/60
72/20 + 5/60 is 221/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
5/60 = 5 × 1/60 × 1 = 5/60 - Add the two like fractions:
216/60 + 5/60 = 216 + 5/60 = 221/60 - So, 72/20 + 5/60 = 221/60
In mixed form: 341/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+10/60 72/40+5/60 72/20+15/60 72/60+5/60 72/20+25/60 72/20+35/60