Compare 18/20 and 15/25
18/20 is greater than 15/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
18/20 = 18 × 5/20 × 5 = 90/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
15/25 = 15 × 4/25 × 4 = 60/100 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/100 > 60/100 or 18/20 > 15/25
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