Answers

Subtract 15/64 from 21/4

1^st number: 5 1/4, 2^nd number: 15/64

21/4 - 15/64 is 321/64.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 64 is 64
   
   Next, find the equivalent fraction of both fractional numbers with denominator 64
2. For the 1st fraction, since 4 × 16 = 64,
   21/4 = 21 × 16/4 × 16 = 336/64
3. Likewise, for the 2nd fraction, since 64 × 1 = 64,
   15/64 = 15 × 1/64 × 1 = 15/64
4. Subtract the two like fractions:
   336/64 - 15/64 = 336 - 15/64 = 321/64
5. In mixed form: 51/64

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