Add 81/12 and 81/10
1st number: 6 9/12, 2nd number: 8 1/10
81/12 + 81/10 is 297/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
81/12 = 81 × 5/12 × 5 = 405/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
81/10 = 81 × 6/10 × 6 = 486/60 - Add the two like fractions:
405/60 + 486/60 = 405 + 486/60 = 891/60 - 891/60 simplified gives 297/20
- So, 81/12 + 81/10 = 297/20
In mixed form: 1417/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/24+81/10 81/12+81/20 81/36+81/10 81/12+81/30 81/60+81/10 81/12+81/50 81/84+81/10 81/12+81/70