Answers

Subtract 28/20 from 6/10

1^st number: 6/10, 2^nd number: 1 8/20

6/10 - 28/20 is -4/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   6/10 = 6 × 2/10 × 2 = 12/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   28/20 = 28 × 1/20 × 1 = 28/20
4. Subtract the two like fractions:
   12/20 - 28/20 = 12 - 28/20 = -16/20
5. After reducing the fraction, the answer is -4/5

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