Answers

Subtract 15/42 from 42/24

1^st number: 1 18/24, 2^nd number: 15/42

42/24 - 15/42 is 39/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 42 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 24 × 7 = 168,
   42/24 = 42 × 7/24 × 7 = 294/168
3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
   15/42 = 15 × 4/42 × 4 = 60/168
4. Subtract the two like fractions:
   294/168 - 60/168 = 294 - 60/168 = 234/168
5. After reducing the fraction, the answer is 39/28
6. In mixed form: 111/28

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