Answers

Subtract 4/42 from 21/4

1^st number: 5 1/4, 2^nd number: 4/42

21/4 - 4/42 is 433/84.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 42 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 4 × 21 = 84,
   21/4 = 21 × 21/4 × 21 = 441/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   4/42 = 4 × 2/42 × 2 = 8/84
4. Subtract the two like fractions:
   441/84 - 8/84 = 441 - 8/84 = 433/84
5. In mixed form: 513/84

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