Add 49/63 and 84/81
1st number: 49/63, 2nd number: 1 3/81
49/63 + 84/81 is 49/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
49/63 = 49 × 9/63 × 9 = 441/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
84/81 = 84 × 7/81 × 7 = 588/567 - Add the two like fractions:
441/567 + 588/567 = 441 + 588/567 = 1029/567 - 1029/567 simplified gives 49/27
- So, 49/63 + 84/81 = 49/27
In mixed form: 122/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/63+84/81