Answers

Subtract 42/10 from 5/4

1^st number: 1 1/4, 2^nd number: 4 2/10

5/4 - 42/10 is -59/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 10 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   5/4 = 5 × 5/4 × 5 = 25/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   42/10 = 42 × 2/10 × 2 = 84/20
4. Subtract the two like fractions:
   25/20 - 84/20 = 25 - 84/20 = -59/20

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