Answers

Subtract 16/27 from 81/60

1^st number: 1 21/60, 2^nd number: 16/27

81/60 - 16/27 is 409/540.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 27 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 27 × 20 = 540,
   16/27 = 16 × 20/27 × 20 = 320/540
4. Subtract the two like fractions:
   729/540 - 320/540 = 729 - 320/540 = 409/540

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