Answers

Subtract 7/8 from 15/80

15/80 - 7/8 is -11/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 8 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   15/80 = 15 × 1/80 × 1 = 15/80
3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
   7/8 = 7 × 10/8 × 10 = 70/80
4. Subtract the two like fractions:
   15/80 - 70/80 = 15 - 70/80 = -55/80
5. After reducing the fraction, the answer is -11/16

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