Answers

Compare 45/63 and 81/98

45/63 is smaller than 81/98

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 63 × 14 = 882,
   45/63 = 45 × 14/63 × 14 = 630/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   81/98 = 81 × 9/98 × 9 = 729/882
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 630/882 < 729/882 or 45/63 < 81/98

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