Answers

Subtract 49/16 from 12/40

1^st number: 12/40, 2^nd number: 3 1/16

12/40 - 49/16 is -221/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 40 × 2 = 80,
   12/40 = 12 × 2/40 × 2 = 24/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   49/16 = 49 × 5/16 × 5 = 245/80
4. Subtract the two like fractions:
   24/80 - 245/80 = 24 - 245/80 = -221/80

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