Add 72/84 and 18/6
1st number: 72/84, 2nd number: 3 0/6
72/84 + 18/6 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
72/84 = 72 × 1/84 × 1 = 72/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
18/6 = 18 × 14/6 × 14 = 252/84 - Add the two like fractions:
72/84 + 252/84 = 72 + 252/84 = 324/84 - 324/84 simplified gives 27/7
- So, 72/84 + 18/6 = 27/7
In mixed form: 36/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84+36/6 72/84+18/12 72/84+54/6 72/84+90/6 72/84+18/30 72/84+18/42