Add 72/6 and 16/20
1st number: 12 0/6, 2nd number: 16/20
72/6 + 16/20 is 64/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
72/6 = 72 × 10/6 × 10 = 720/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
16/20 = 16 × 3/20 × 3 = 48/60 - Add the two like fractions:
720/60 + 48/60 = 720 + 48/60 = 768/60 - 768/60 simplified gives 64/5
- So, 72/6 + 16/20 = 64/5
In mixed form: 124/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6+32/20 72/12+16/20 72/6+16/40 72/6+48/20 72/18+16/20 72/6+16/60 72/6+80/20 72/30+16/20 72/42+16/20