Answers

Subtract 35/64 from 28/90

28/90 - 35/64 is -679/2880.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 64 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 90 × 32 = 2880,
   28/90 = 28 × 32/90 × 32 = 896/2880
3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
   35/64 = 35 × 45/64 × 45 = 1575/2880
4. Subtract the two like fractions:
   896/2880 - 1575/2880 = 896 - 1575/2880 = -679/2880

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