Answers

Subtract 21/16 from 7/75

1^st number: 7/75, 2^nd number: 1 5/16

7/75 - 21/16 is -1463/1200.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 16 is 1200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1200
2. For the 1st fraction, since 75 × 16 = 1200,
   7/75 = 7 × 16/75 × 16 = 112/1200
3. Likewise, for the 2nd fraction, since 16 × 75 = 1200,
   21/16 = 21 × 75/16 × 75 = 1575/1200
4. Subtract the two like fractions:
   112/1200 - 1575/1200 = 112 - 1575/1200 = -1463/1200

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