Answers

Subtract 80/49 from 21/14

1^st number: 1 7/14, 2^nd number: 1 31/49

21/14 - 80/49 is -13/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 49 is 98
   
   Next, find the equivalent fraction of both fractional numbers with denominator 98
2. For the 1st fraction, since 14 × 7 = 98,
   21/14 = 21 × 7/14 × 7 = 147/98
3. Likewise, for the 2nd fraction, since 49 × 2 = 98,
   80/49 = 80 × 2/49 × 2 = 160/98
4. Subtract the two like fractions:
   147/98 - 160/98 = 147 - 160/98 = -13/98

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