Compare 20/63 and 36/45
20/63 is smaller than 36/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
20/63 = 20 × 5/63 × 5 = 100/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
36/45 = 36 × 7/45 × 7 = 252/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 100/315 < 252/315 or 20/63 < 36/45
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