Answers

Subtract 54/15 from 4/10

1^st number: 4/10, 2^nd number: 3 9/15

4/10 - 54/15 is -16/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 15 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 10 × 3 = 30,
   4/10 = 4 × 3/10 × 3 = 12/30
3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
   54/15 = 54 × 2/15 × 2 = 108/30
4. Subtract the two like fractions:
   12/30 - 108/30 = 12 - 108/30 = -96/30
5. After reducing the fraction, the answer is -16/5

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