Compare 20/90 and 9/50
20/90 is greater than 9/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
20/90 = 20 × 5/90 × 5 = 100/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
9/50 = 9 × 9/50 × 9 = 81/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 100/450 > 81/450 or 20/90 > 9/50
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