Compare 18/63 and 8/45
18/63 is greater than 8/45
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,
18/63 = 18 × 5/63 × 5 = 90/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
8/45 = 8 × 7/45 × 7 = 56/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/315 > 56/315 or 18/63 > 8/45
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