Answers

Compare 56/40 and 90/81

1^st number: 1 16/40, 2^nd number: 1 9/81

56/40 is greater than 90/81

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 81 is 3240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3240
2. For the 1st fraction, since 40 × 81 = 3240,
   56/40 = 56 × 81/40 × 81 = 4536/3240
3. Likewise, for the 2nd fraction, since 81 × 40 = 3240,
   90/81 = 90 × 40/81 × 40 = 3600/3240
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 4536/3240 > 3600/3240 or 56/40 > 90/81

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