Compare 7/15 and 18/63
7/15 is greater than 18/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
7/15 = 7 × 21/15 × 21 = 147/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
18/63 = 18 × 5/63 × 5 = 90/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 147/315 > 90/315 or 7/15 > 18/63
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