Compare 20/90 and 15/60
20/90 is smaller than 15/60
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
20/90 = 20 × 2/90 × 2 = 40/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
15/60 = 15 × 3/60 × 3 = 45/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/180 < 45/180 or 20/90 < 15/60
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