Compare 30/18 and 45/70, Which fraction is greater?

Compare 30/18 and 45/70

1^st number: 1 12/18, 2^nd number: 45/70

30/18 is greater than 45/70

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 18 × 35 = 630,
30/18 = 30 × 35/18 × 35 = 1050/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1050/630 > 405/630 or 30/18 > 45/70

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