Compare 20/21 and 98/6, Which fraction is greater?

Compare 20/21 and 98/6

1^st number: 20/21, 2^nd number: 16 2/6

20/21 is smaller than 98/6

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
20/21 = 20 × 2/21 × 2 = 40/42
Likewise, for the 2nd fraction, since 6 × 7 = 42,
98/6 = 98 × 7/6 × 7 = 686/42
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
40/42 < 686/42 or 20/21 < 98/6

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