Compare 20/27 and 12/80
20/27 is greater than 12/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 27 × 80 = 2160,
20/27 = 20 × 80/27 × 80 = 1600/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
12/80 = 12 × 27/80 × 27 = 324/2160 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1600/2160 > 324/2160 or 20/27 > 12/80
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