Answers

Subtract 21/63 from 6/4

1^st number: 1 2/4, 2^nd number: 21/63

6/4 - 21/63 is 7/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 4 × 63 = 252,
   6/4 = 6 × 63/4 × 63 = 378/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   21/63 = 21 × 4/63 × 4 = 84/252
4. Subtract the two like fractions:
   378/252 - 84/252 = 378 - 84/252 = 294/252
5. After reducing the fraction, the answer is 7/6
6. In mixed form: 11/6

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