Add 81/6 and 72/10
1st number: 13 3/6, 2nd number: 7 2/10
81/6 + 72/10 is 207/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
81/6 = 81 × 5/6 × 5 = 405/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
72/10 = 72 × 3/10 × 3 = 216/30 - Add the two like fractions:
405/30 + 216/30 = 405 + 216/30 = 621/30 - 621/30 simplified gives 207/10
- So, 81/6 + 72/10 = 207/10
In mixed form: 207/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/12+72/10 81/6+72/20 81/18+72/10 81/6+72/30 81/30+72/10 81/6+72/50 81/42+72/10 81/6+72/70