Answers

Subtract 18/14 from 81/64

1^st number: 1 17/64, 2^nd number: 1 4/14

81/64 - 18/14 is -9/448.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 14 is 448
   
   Next, find the equivalent fraction of both fractional numbers with denominator 448
2. For the 1st fraction, since 64 × 7 = 448,
   81/64 = 81 × 7/64 × 7 = 567/448
3. Likewise, for the 2nd fraction, since 14 × 32 = 448,
   18/14 = 18 × 32/14 × 32 = 576/448
4. Subtract the two like fractions:
   567/448 - 576/448 = 567 - 576/448 = -9/448

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