Add 72/30 and 81/6
1st number: 2 12/30, 2nd number: 13 3/6
72/30 + 81/6 is 159/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
72/30 = 72 × 1/30 × 1 = 72/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
81/6 = 81 × 5/6 × 5 = 405/30 - Add the two like fractions:
72/30 + 405/30 = 72 + 405/30 = 477/30 - 477/30 simplified gives 159/10
- So, 72/30 + 81/6 = 159/10
In mixed form: 159/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60+81/6 72/30+81/12 72/90+81/6 72/30+81/18 72/30+81/30 72/30+81/42