Add 21/98 and 63/9
1st number: 21/98, 2nd number: 7 0/9
21/98 + 63/9 is 101/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 9 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
21/98 = 21 × 9/98 × 9 = 189/882 - Likewise, for the 2nd fraction, since 9 × 98 = 882,
63/9 = 63 × 98/9 × 98 = 6174/882 - Add the two like fractions:
189/882 + 6174/882 = 189 + 6174/882 = 6363/882 - 6363/882 simplified gives 101/14
- So, 21/98 + 63/9 = 101/14
In mixed form: 73/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+63/9 21/98+63/18 63/98+63/9 21/98+63/27 21/98+63/45