Compare 18/20 and 28/25
1st number: 18/20, 2nd number: 1 3/25
18/20 is smaller than 28/25
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,
28/25 = 28 × 4/25 × 4 = 112/100 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/100 < 112/100 or 18/20 < 28/25
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