Answers

Subtract 40/21 from 35/64

1^st number: 35/64, 2^nd number: 1 19/21

35/64 - 40/21 is -1825/1344.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 21 is 1344
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1344
2. For the 1st fraction, since 64 × 21 = 1344,
   35/64 = 35 × 21/64 × 21 = 735/1344
3. Likewise, for the 2nd fraction, since 21 × 64 = 1344,
   40/21 = 40 × 64/21 × 64 = 2560/1344
4. Subtract the two like fractions:
   735/1344 - 2560/1344 = 735 - 2560/1344 = -1825/1344

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