Compare 20/90 and 1/5
20/90 is greater than 1/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
1/5 = 1 × 18/5 × 18 = 18/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 20/90 > 18/90 or 20/90 > 1/5
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