Answers

Subtract 27/10 from 6/4

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

6/4 - 27/10 is -6/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 10 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   6/4 = 6 × 5/4 × 5 = 30/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   27/10 = 27 × 2/10 × 2 = 54/20
4. Subtract the two like fractions:
   30/20 - 54/20 = 30 - 54/20 = -24/20
5. After reducing the fraction, the answer is -6/5

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