Add 1/9 and 21/49
1/9 + 21/49 is 34/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
1/9 = 1 × 49/9 × 49 = 49/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
21/49 = 21 × 9/49 × 9 = 189/441 - Add the two like fractions:
49/441 + 189/441 = 49 + 189/441 = 238/441 - 238/441 simplified gives 34/63
- So, 1/9 + 21/49 = 34/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/9+21/49 1/9+42/49 1/18+21/49 1/9+21/98 3/9+21/49 1/9+63/49 1/27+21/49 5/9+21/49 1/45+21/49 7/9+21/49 1/63+21/49