Answers

Subtract 63/64 from 54/20

1^st number: 2 14/20, 2^nd number: 63/64

54/20 - 63/64 is 549/320.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 20 × 16 = 320,
   54/20 = 54 × 16/20 × 16 = 864/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   63/64 = 63 × 5/64 × 5 = 315/320
4. Subtract the two like fractions:
   864/320 - 315/320 = 864 - 315/320 = 549/320
5. In mixed form: 1229/320

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