Answers

Subtract 63/40 from 10/80

1^st number: 10/80, 2^nd number: 1 23/40

10/80 - 63/40 is -29/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 40 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   10/80 = 10 × 1/80 × 1 = 10/80
3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
   63/40 = 63 × 2/40 × 2 = 126/80
4. Subtract the two like fractions:
   10/80 - 126/80 = 10 - 126/80 = -116/80
5. After reducing the fraction, the answer is -29/20

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