Answers

Subtract 3/40 from 49/64

49/64 - 3/40 is 221/320.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 40 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   49/64 = 49 × 5/64 × 5 = 245/320
3. Likewise, for the 2nd fraction, since 40 × 8 = 320,
   3/40 = 3 × 8/40 × 8 = 24/320
4. Subtract the two like fractions:
   245/320 - 24/320 = 245 - 24/320 = 221/320

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