Answers

Subtract 27/10 from 4/15

1^st number: 4/15, 2^nd number: 2 7/10

4/15 - 27/10 is -73/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 10 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 15 × 2 = 30,
   4/15 = 4 × 2/15 × 2 = 8/30
3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
   27/10 = 27 × 3/10 × 3 = 81/30
4. Subtract the two like fractions:
   8/30 - 81/30 = 8 - 81/30 = -73/30

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