Answers

Subtract 27/10 from 4/80

1^st number: 4/80, 2^nd number: 2 7/10

4/80 - 27/10 is -53/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 10 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   4/80 = 4 × 1/80 × 1 = 4/80
3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
   27/10 = 27 × 8/10 × 8 = 216/80
4. Subtract the two like fractions:
   4/80 - 216/80 = 4 - 216/80 = -212/80
5. After reducing the fraction, the answer is -53/20

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