Add 1/21 and 63/98
1/21 + 63/98 is 29/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
1/21 = 1 × 14/21 × 14 = 14/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
63/98 = 63 × 3/98 × 3 = 189/294 - Add the two like fractions:
14/294 + 189/294 = 14 + 189/294 = 203/294 - 203/294 simplified gives 29/42
- So, 1/21 + 63/98 = 29/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21+63/98 1/42+63/98 3/21+63/98 1/63+63/98 5/21+63/98 7/21+63/98