Compare 12/25 and 18/80
12/25 is greater than 18/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
12/25 = 12 × 16/25 × 16 = 192/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
18/80 = 18 × 5/80 × 5 = 90/400 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 192/400 > 90/400 or 12/25 > 18/80
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