Answers

Subtract 21/12 from 35/75

1^st number: 35/75, 2^nd number: 1 9/12

35/75 - 21/12 is -77/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 12 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   35/75 = 35 × 4/75 × 4 = 140/300
3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
   21/12 = 21 × 25/12 × 25 = 525/300
4. Subtract the two like fractions:
   140/300 - 525/300 = 140 - 525/300 = -385/300
5. After reducing the fraction, the answer is -77/60

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