Add 2/21 and 98/9
1st number: 2/21, 2nd number: 10 8/9
2/21 + 98/9 is 692/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
2/21 = 2 × 3/21 × 3 = 6/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
98/9 = 98 × 7/9 × 7 = 686/63 - Add the two like fractions:
6/63 + 686/63 = 6 + 686/63 = 692/63 - So, 2/21 + 98/9 = 692/63
In mixed form: 1062/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21+98/9 2/42+98/9 2/21+98/18 6/21+98/9 2/63+98/9 2/21+98/27 10/21+98/9 2/21+98/45 14/21+98/9 2/21+98/63