Add 3/49 and 21/63
3/49 + 21/63 is 58/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
3/49 = 3 × 9/49 × 9 = 27/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
21/63 = 21 × 7/63 × 7 = 147/441 - Add the two like fractions:
27/441 + 147/441 = 27 + 147/441 = 174/441 - 174/441 simplified gives 58/147
- So, 3/49 + 21/63 = 58/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/49+21/63 3/49+42/63 3/98+21/63 9/49+21/63 15/49+21/63 21/49+21/63