Add 98/9 and 9/7
1st number: 10 8/9, 2nd number: 1 2/7
98/9 + 9/7 is 767/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
98/9 = 98 × 7/9 × 7 = 686/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
9/7 = 9 × 9/7 × 9 = 81/63 - Add the two like fractions:
686/63 + 81/63 = 686 + 81/63 = 767/63 - So, 98/9 + 9/7 = 767/63
In mixed form: 1211/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/9+18/7 98/18+9/7 98/9+9/14 98/9+27/7 98/27+9/7 98/9+9/21 98/9+45/7 98/45+9/7 98/9+9/35 98/9+63/7 98/63+9/7 98/9+9/49