Compare 12/20 and 90/25
1st number: 12/20, 2nd number: 3 15/25
12/20 is smaller than 90/25
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,
12/20 = 12 × 5/20 × 5 = 60/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
90/25 = 90 × 4/25 × 4 = 360/100 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/100 < 360/100 or 12/20 < 90/25
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