Add 7/49 and 20/63
7/49 + 20/63 is 29/63.
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,
7/49 = 7 × 9/49 × 9 = 63/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
20/63 = 20 × 7/63 × 7 = 140/441 - Add the two like fractions:
63/441 + 140/441 = 63 + 140/441 = 203/441 - 203/441 simplified gives 29/63
- So, 7/49 + 20/63 = 29/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/49+20/63 7/49+40/63 7/98+20/63 21/49+20/63 7/49+60/63 35/49+20/63