Compare 45/8 and 8/21, Which fraction is greater?

Compare 45/8 and 8/21

1^st number: 5 5/8, 2^nd number: 8/21

45/8 is greater than 8/21

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
45/8 = 45 × 21/8 × 21 = 945/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
8/21 = 8 × 8/21 × 8 = 64/168
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
945/168 > 64/168 or 45/8 > 8/21

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