Answers

Subtract 63/40 from 20/16

1^st number: 1 4/16, 2^nd number: 1 23/40

20/16 - 63/40 is -13/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 40 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   20/16 = 20 × 5/16 × 5 = 100/80
3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
   63/40 = 63 × 2/40 × 2 = 126/80
4. Subtract the two like fractions:
   100/80 - 126/80 = 100 - 126/80 = -26/80
5. After reducing the fraction, the answer is -13/40

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