Answers

Subtract 54/64 from 10/20

10/20 - 54/64 is -11/32.

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,
   10/20 = 10 × 16/20 × 16 = 160/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   54/64 = 54 × 5/64 × 5 = 270/320
4. Subtract the two like fractions:
   160/320 - 270/320 = 160 - 270/320 = -110/320
5. After reducing the fraction, the answer is -11/32

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