Add 81/35 and 12/27
1st number: 2 11/35, 2nd number: 12/27
81/35 + 12/27 is 869/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 35 × 27 = 945,
81/35 = 81 × 27/35 × 27 = 2187/945 - Likewise, for the 2nd fraction, since 27 × 35 = 945,
12/27 = 12 × 35/27 × 35 = 420/945 - Add the two like fractions:
2187/945 + 420/945 = 2187 + 420/945 = 2607/945 - 2607/945 simplified gives 869/315
- So, 81/35 + 12/27 = 869/315
In mixed form: 2239/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/35+24/27 81/70+12/27 81/35+12/54 81/35+36/27 81/35+12/81 81/35+60/27 81/35+84/27