Answers

Subtract 15/5 from 10/80

1^st number: 10/80, 2^nd number: 3 0/5

10/80 - 15/5 is -23/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 5 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 5 × 16 = 80,
   15/5 = 15 × 16/5 × 16 = 240/80
4. Subtract the two like fractions:
   10/80 - 240/80 = 10 - 240/80 = -230/80
5. After reducing the fraction, the answer is -23/8

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