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