Compare 70/75 and 30/18, Which fraction is greater?

Compare 70/75 and 30/18

1^st number: 70/75, 2^nd number: 1 12/18

70/75 is smaller than 30/18

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 75 × 6 = 450,
70/75 = 70 × 6/75 × 6 = 420/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
30/18 = 30 × 25/18 × 25 = 750/450
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
420/450 < 750/450 or 70/75 < 30/18

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