Add 72/27 and 84/35
1st number: 2 18/27, 2nd number: 2 14/35
72/27 + 84/35 is 76/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 27 × 35 = 945,
72/27 = 72 × 35/27 × 35 = 2520/945 - Likewise, for the 2nd fraction, since 35 × 27 = 945,
84/35 = 84 × 27/35 × 27 = 2268/945 - Add the two like fractions:
2520/945 + 2268/945 = 2520 + 2268/945 = 4788/945 - 4788/945 simplified gives 76/15
- So, 72/27 + 84/35 = 76/15
In mixed form: 51/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/54+84/35 72/27+84/70 72/81+84/35