Answers

Subtract 8/70 from 7/64

7/64 - 8/70 is -11/2240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 70 is 2240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2240
2. For the 1st fraction, since 64 × 35 = 2240,
   7/64 = 7 × 35/64 × 35 = 245/2240
3. Likewise, for the 2nd fraction, since 70 × 32 = 2240,
   8/70 = 8 × 32/70 × 32 = 256/2240
4. Subtract the two like fractions:
   245/2240 - 256/2240 = 245 - 256/2240 = -11/2240

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