Add 30/12 and 6/72
1st number: 2 6/12, 2nd number: 6/72
30/12 + 6/72 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
30/12 = 30 × 6/12 × 6 = 180/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72 - Add the two like fractions:
180/72 + 6/72 = 180 + 6/72 = 186/72 - 186/72 simplified gives 31/12
- So, 30/12 + 6/72 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+6/72 30/12+12/72 30/24+6/72 90/12+6/72 30/12+18/72 30/36+6/72 30/12+30/72 30/60+6/72 30/12+42/72 30/84+6/72