Answers

Subtract 96/42 from 21/60

1^st number: 21/60, 2^nd number: 2 12/42

21/60 - 96/42 is -271/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 42 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   21/60 = 21 × 7/60 × 7 = 147/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   96/42 = 96 × 10/42 × 10 = 960/420
4. Subtract the two like fractions:
   147/420 - 960/420 = 147 - 960/420 = -813/420
5. After reducing the fraction, the answer is -271/140

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