Compare 27/28 and 20/36
27/28 is greater than 20/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
27/28 = 27 × 9/28 × 9 = 243/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 243/252 > 140/252 or 27/28 > 20/36
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