Answers

Compare 7/60 and 21/81

7/60 is smaller than 21/81

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 81 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 60 × 27 = 1620,
   7/60 = 7 × 27/60 × 27 = 189/1620
3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
   21/81 = 21 × 20/81 × 20 = 420/1620
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 189/1620 < 420/1620 or 7/60 < 21/81

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