Answers

Subtract 8/24 from 81/42

1^st number: 1 39/42, 2^nd number: 8/24

81/42 - 8/24 is 67/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   81/42 = 81 × 4/42 × 4 = 324/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   8/24 = 8 × 7/24 × 7 = 56/168
4. Subtract the two like fractions:
   324/168 - 56/168 = 324 - 56/168 = 268/168
5. After reducing the fraction, the answer is 67/42
6. In mixed form: 125/42

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