Answers

Subtract 45/36 from 21/75

1^st number: 21/75, 2^nd number: 1 9/36

21/75 - 45/36 is -97/100.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 36 is 900
   
   Next, find the equivalent fraction of both fractional numbers with denominator 900
2. For the 1st fraction, since 75 × 12 = 900,
   21/75 = 21 × 12/75 × 12 = 252/900
3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
   45/36 = 45 × 25/36 × 25 = 1125/900
4. Subtract the two like fractions:
   252/900 - 1125/900 = 252 - 1125/900 = -873/900
5. After reducing the fraction, the answer is -97/100

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