Compare 20/10 and 25/81, Which fraction is greater?

Compare 20/10 and 25/81

1^st number: 2 0/10, 2^nd number: 25/81

20/10 is greater than 25/81

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810

Next, find the equivalent fraction of both fractional numbers with denominator 810
For the 1st fraction, since 10 × 81 = 810,
20/10 = 20 × 81/10 × 81 = 1620/810
Likewise, for the 2nd fraction, since 81 × 10 = 810,
25/81 = 25 × 10/81 × 10 = 250/810
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1620/810 > 250/810 or 20/10 > 25/81

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