Answers

Subtract 80/98 from 90/63

1^st number: 1 27/63, 2^nd number: 80/98

90/63 - 80/98 is 30/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 63 × 14 = 882,
   90/63 = 90 × 14/63 × 14 = 1260/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   80/98 = 80 × 9/98 × 9 = 720/882
4. Subtract the two like fractions:
   1260/882 - 720/882 = 1260 - 720/882 = 540/882
5. After reducing the fraction, the answer is 30/49

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