Answers

Subtract 25/24 from 4/21

1^st number: 4/21, 2^nd number: 1 1/24

4/21 - 25/24 is -143/168.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 21 × 8 = 168,
   4/21 = 4 × 8/21 × 8 = 32/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   25/24 = 25 × 7/24 × 7 = 175/168
4. Subtract the two like fractions:
   32/168 - 175/168 = 32 - 175/168 = -143/168

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