Answers

Subtract 54/21 from 1/24

1^st number: 1/24, 2^nd number: 2 12/21

1/24 - 54/21 is -425/168.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 21 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 24 × 7 = 168,
   1/24 = 1 × 7/24 × 7 = 7/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   54/21 = 54 × 8/21 × 8 = 432/168
4. Subtract the two like fractions:
   7/168 - 432/168 = 7 - 432/168 = -425/168

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