Compare 45/63 and 18/6, Which fraction is greater?

Compare 45/63 and 18/6

1^st number: 45/63, 2^nd number: 3 0/6

45/63 is smaller than 18/6

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126
Likewise, for the 2nd fraction, since 6 × 21 = 126,
18/6 = 18 × 21/6 × 21 = 378/126
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
90/126 < 378/126 or 45/63 < 18/6

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