Answers

Subtract 42/4 from 21/24

1^st number: 21/24, 2^nd number: 10 2/4

21/24 - 42/4 is -77/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 4 is 24
   
   Next, find the equivalent fraction of both fractional numbers with denominator 24
2. For the 1st fraction, since 24 × 1 = 24,
   21/24 = 21 × 1/24 × 1 = 21/24
3. Likewise, for the 2nd fraction, since 4 × 6 = 24,
   42/4 = 42 × 6/4 × 6 = 252/24
4. Subtract the two like fractions:
   21/24 - 252/24 = 21 - 252/24 = -231/24
5. After reducing the fraction, the answer is -77/8

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