Answers

Subtract 30/64 from 35/90

35/90 - 30/64 is -23/288.

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,
   35/90 = 35 × 32/90 × 32 = 1120/2880
3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
   30/64 = 30 × 45/64 × 45 = 1350/2880
4. Subtract the two like fractions:
   1120/2880 - 1350/2880 = 1120 - 1350/2880 = -230/2880
5. After reducing the fraction, the answer is -23/288

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