Answers

Subtract 81/3 from 20/60

1^st number: 20/60, 2^nd number: 27 0/3

20/60 - 81/3 is -80/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 3 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   20/60 = 20 × 1/60 × 1 = 20/60
3. Likewise, for the 2nd fraction, since 3 × 20 = 60,
   81/3 = 81 × 20/3 × 20 = 1620/60
4. Subtract the two like fractions:
   20/60 - 1620/60 = 20 - 1620/60 = -1600/60
5. After reducing the fraction, the answer is -80/3

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