Compare 20/42 and 5/54
20/42 is greater than 5/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
20/42 = 20 × 9/42 × 9 = 180/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
5/54 = 5 × 7/54 × 7 = 35/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/378 > 35/378 or 20/42 > 5/54
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