Add 30/6 and 81/7
1st number: 5 0/6, 2nd number: 11 4/7
30/6 + 81/7 is 116/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
30/6 = 30 × 7/6 × 7 = 210/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
81/7 = 81 × 6/7 × 6 = 486/42 - Add the two like fractions:
210/42 + 486/42 = 210 + 486/42 = 696/42 - 696/42 simplified gives 116/7
- So, 30/6 + 81/7 = 116/7
In mixed form: 164/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6+81/7 30/12+81/7 30/6+81/14 90/6+81/7 30/18+81/7 30/6+81/21 30/6+81/35 30/42+81/7 30/6+81/49