Answers

Subtract 72/49 from 63/98

1^st number: 63/98, 2^nd number: 1 23/49

63/98 - 72/49 is -81/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 49 is 98
   
   Next, find the equivalent fraction of both fractional numbers with denominator 98
2. For the 1st fraction, since 98 × 1 = 98,
   63/98 = 63 × 1/98 × 1 = 63/98
3. Likewise, for the 2nd fraction, since 49 × 2 = 98,
   72/49 = 72 × 2/49 × 2 = 144/98
4. Subtract the two like fractions:
   63/98 - 144/98 = 63 - 144/98 = -81/98

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