Add 27/63 and 84/49
1st number: 27/63, 2nd number: 1 35/49
27/63 + 84/49 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
27/63 = 27 × 7/63 × 7 = 189/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
84/49 = 84 × 9/49 × 9 = 756/441 - Add the two like fractions:
189/441 + 756/441 = 189 + 756/441 = 945/441 - 945/441 simplified gives 15/7
- So, 27/63 + 84/49 = 15/7
In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+84/49 27/63+84/98 81/63+84/49