Compare 20/45 and 18/8, Which fraction is greater?

Compare 20/45 and 18/8

1^st number: 20/45, 2^nd number: 2 2/8

20/45 is smaller than 18/8

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 45 × 8 = 360,
20/45 = 20 × 8/45 × 8 = 160/360
Likewise, for the 2nd fraction, since 8 × 45 = 360,
18/8 = 18 × 45/8 × 45 = 810/360
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
160/360 < 810/360 or 20/45 < 18/8

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