Answers

Subtract 56/54 from 81/60

1^st number: 1 21/60, 2^nd number: 1 2/54

81/60 - 56/54 is 169/540.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 54 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 60 × 9 = 540,
   81/60 = 81 × 9/60 × 9 = 729/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   56/54 = 56 × 10/54 × 10 = 560/540
4. Subtract the two like fractions:
   729/540 - 560/540 = 729 - 560/540 = 169/540

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