Answers

Subtract 21/10 from 12/60

1^st number: 12/60, 2^nd number: 2 1/10

12/60 - 21/10 is -19/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 10 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   12/60 = 12 × 1/60 × 1 = 12/60
3. Likewise, for the 2nd fraction, since 10 × 6 = 60,
   21/10 = 21 × 6/10 × 6 = 126/60
4. Subtract the two like fractions:
   12/60 - 126/60 = 12 - 126/60 = -114/60
5. After reducing the fraction, the answer is -19/10

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