Answers

Compare 70/81 and 2/80

70/81 is greater than 2/80

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 80 is 6480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 6480
2. For the 1st fraction, since 81 × 80 = 6480,
   70/81 = 70 × 80/81 × 80 = 5600/6480
3. Likewise, for the 2nd fraction, since 80 × 81 = 6480,
   2/80 = 2 × 81/80 × 81 = 162/6480
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 5600/6480 > 162/6480 or 70/81 > 2/80

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