Answers

Subtract 90/14 from 27/64

1^st number: 27/64, 2^nd number: 6 6/14

27/64 - 90/14 is -2691/448.

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,
   27/64 = 27 × 7/64 × 7 = 189/448
3. Likewise, for the 2nd fraction, since 14 × 32 = 448,
   90/14 = 90 × 32/14 × 32 = 2880/448
4. Subtract the two like fractions:
   189/448 - 2880/448 = 189 - 2880/448 = -2691/448

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