Compare 15/45 and 18/50
15/45 is smaller than 18/50
Steps for comparing fractions
- 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,
15/45 = 15 × 10/45 × 10 = 150/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
18/50 = 18 × 9/50 × 9 = 162/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/450 < 162/450 or 15/45 < 18/50
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