Compare 9/45 and 40/50, Which fraction is greater?

Compare 9/45 and 40/50

9/45 is smaller than 40/50

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 45 × 10 = 450,
9/45 = 9 × 10/45 × 10 = 90/450
Likewise, for the 2nd fraction, since 50 × 9 = 450,
40/50 = 40 × 9/50 × 9 = 360/450
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
90/450 < 360/450 or 9/45 < 40/50

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