Answers

Subtract 48/12 from 42/10

1^st number: 4 2/10, 2^nd number: 4 0/12

42/10 - 48/12 is 1/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 10 × 6 = 60,
   42/10 = 42 × 6/10 × 6 = 252/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   48/12 = 48 × 5/12 × 5 = 240/60
4. Subtract the two like fractions:
   252/60 - 240/60 = 252 - 240/60 = 12/60
5. After reducing the fraction, the answer is 1/5

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