Answers

Compare 90/45 and 81/98

1^st number: 2 0/45, 2^nd number: 81/98

90/45 is greater than 81/98

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 98 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 45 × 98 = 4410,
   90/45 = 90 × 98/45 × 98 = 8820/4410
3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
   81/98 = 81 × 45/98 × 45 = 3645/4410
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 8820/4410 > 3645/4410 or 90/45 > 81/98

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