Answers

Subtract 21/10 from 60/54

1^st number: 1 6/54, 2^nd number: 2 1/10

60/54 - 21/10 is -89/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 10 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   60/54 = 60 × 5/54 × 5 = 300/270
3. Likewise, for the 2nd fraction, since 10 × 27 = 270,
   21/10 = 21 × 27/10 × 27 = 567/270
4. Subtract the two like fractions:
   300/270 - 567/270 = 300 - 567/270 = -267/270
5. After reducing the fraction, the answer is -89/90

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