Subtract 9/98 from 21/9, Solve 2 3/9

Subtract 9/98 from 21/9

1^st number: 2 3/9, 2^nd number: 9/98

21/9 - 9/98 is 659/294.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 98 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 9 × 98 = 882,
21/9 = 21 × 98/9 × 98 = 2058/882
Likewise, for the 2nd fraction, since 98 × 9 = 882,
9/98 = 9 × 9/98 × 9 = 81/882
Subtract the two like fractions:
2058/882 - 81/882 = 2058 - 81/882 = 1977/882
After reducing the fraction, the answer is 659/294
In mixed form: 271/294

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