Compare 2/8 and 75/81, Which fraction is greater?

Compare 2/8 and 75/81

2/8 is smaller than 75/81

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648

Next, find the equivalent fraction of both fractional numbers with denominator 648
For the 1st fraction, since 8 × 81 = 648,
2/8 = 2 × 81/8 × 81 = 162/648
Likewise, for the 2nd fraction, since 81 × 8 = 648,
75/81 = 75 × 8/81 × 8 = 600/648
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
162/648 < 600/648 or 2/8 < 75/81

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