Add 81/6 and 64/20
1st number: 13 3/6, 2nd number: 3 4/20
81/6 + 64/20 is 167/10.
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,
81/6 = 81 × 10/6 × 10 = 810/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
64/20 = 64 × 3/20 × 3 = 192/60 - Add the two like fractions:
810/60 + 192/60 = 810 + 192/60 = 1002/60 - 1002/60 simplified gives 167/10
- So, 81/6 + 64/20 = 167/10
In mixed form: 167/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/12+64/20 81/6+64/40 81/18+64/20 81/6+64/60 81/30+64/20 81/42+64/20