Answers

Subtract 42/25 from 12/10

1^st number: 1 2/10, 2^nd number: 1 17/25

12/10 - 42/25 is -12/25.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 25 is 50
   
   Next, find the equivalent fraction of both fractional numbers with denominator 50
2. For the 1st fraction, since 10 × 5 = 50,
   12/10 = 12 × 5/10 × 5 = 60/50
3. Likewise, for the 2nd fraction, since 25 × 2 = 50,
   42/25 = 42 × 2/25 × 2 = 84/50
4. Subtract the two like fractions:
   60/50 - 84/50 = 60 - 84/50 = -24/50
5. After reducing the fraction, the answer is -12/25

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