Answers

Subtract 63/28 from 54/60

1^st number: 54/60, 2^nd number: 2 7/28

54/60 - 63/28 is -27/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 28 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   54/60 = 54 × 7/60 × 7 = 378/420
3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
   63/28 = 63 × 15/28 × 15 = 945/420
4. Subtract the two like fractions:
   378/420 - 945/420 = 378 - 945/420 = -567/420
5. After reducing the fraction, the answer is -27/20

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