Compare 20/63 and 45/54
20/63 is smaller than 45/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 63 × 6 = 378,
20/63 = 20 × 6/63 × 6 = 120/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
45/54 = 45 × 7/54 × 7 = 315/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/378 < 315/378 or 20/63 < 45/54
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