Answers

Subtract 21/64 from 49/21

1^st number: 2 7/21, 2^nd number: 21/64

49/21 - 21/64 is 385/192.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 64 is 1344
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1344
2. For the 1st fraction, since 21 × 64 = 1344,
   49/21 = 49 × 64/21 × 64 = 3136/1344
3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
   21/64 = 21 × 21/64 × 21 = 441/1344
4. Subtract the two like fractions:
   3136/1344 - 441/1344 = 3136 - 441/1344 = 2695/1344
5. After reducing the fraction, the answer is 385/192
6. In mixed form: 21/192

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