Add 35/21 and 49/81
1st number: 1 14/21, 2nd number: 49/81
35/21 + 49/81 is 184/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 21 × 27 = 567,
35/21 = 35 × 27/21 × 27 = 945/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
49/81 = 49 × 7/81 × 7 = 343/567 - Add the two like fractions:
945/567 + 343/567 = 945 + 343/567 = 1288/567 - 1288/567 simplified gives 184/81
- So, 35/21 + 49/81 = 184/81
In mixed form: 222/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21+49/81 35/21+98/81 35/42+49/81 35/63+49/81