Answers

Subtract 21/8 from 48/98

1^st number: 48/98, 2^nd number: 2 5/8

48/98 - 21/8 is -837/392.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 8 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 98 × 4 = 392,
   48/98 = 48 × 4/98 × 4 = 192/392
3. Likewise, for the 2nd fraction, since 8 × 49 = 392,
   21/8 = 21 × 49/8 × 49 = 1029/392
4. Subtract the two like fractions:
   192/392 - 1029/392 = 192 - 1029/392 = -837/392

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