Add 81/35 and 45/27
1st number: 2 11/35, 2nd number: 1 18/27
81/35 + 45/27 is 418/105.
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,
45/27 = 45 × 35/27 × 35 = 1575/945 - Add the two like fractions:
2187/945 + 1575/945 = 2187 + 1575/945 = 3762/945 - 3762/945 simplified gives 418/105
- So, 81/35 + 45/27 = 418/105
In mixed form: 3103/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/35+90/27 81/70+45/27 81/35+45/54 81/35+45/81