Answers

Subtract 50/9 from 21/98

1^st number: 21/98, 2^nd number: 5 5/9

21/98 - 50/9 is -673/126.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 98 × 9 = 882,
   21/98 = 21 × 9/98 × 9 = 189/882
3. Likewise, for the 2nd fraction, since 9 × 98 = 882,
   50/9 = 50 × 98/9 × 98 = 4900/882
4. Subtract the two like fractions:
   189/882 - 4900/882 = 189 - 4900/882 = -4711/882
5. After reducing the fraction, the answer is -673/126

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