Answers

Subtract 25/30 from 54/15

1^st number: 3 9/15, 2^nd number: 25/30

54/15 - 25/30 is 83/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 30 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 15 × 2 = 30,
   54/15 = 54 × 2/15 × 2 = 108/30
3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
   25/30 = 25 × 1/30 × 1 = 25/30
4. Subtract the two like fractions:
   108/30 - 25/30 = 108 - 25/30 = 83/30
5. In mixed form: 223/30

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