Answers

Subtract 20/98 from 63/21

1^st number: 3 0/21, 2^nd number: 20/98

63/21 - 20/98 is 137/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 98 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 21 × 14 = 294,
   63/21 = 63 × 14/21 × 14 = 882/294
3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
   20/98 = 20 × 3/98 × 3 = 60/294
4. Subtract the two like fractions:
   882/294 - 60/294 = 882 - 60/294 = 822/294
5. After reducing the fraction, the answer is 137/49
6. In mixed form: 239/49

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