Compare 20/25 and 45/63
20/25 is greater than 45/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
20/25 = 20 × 63/25 × 63 = 1260/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
45/63 = 45 × 25/63 × 25 = 1125/1575 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1260/1575 > 1125/1575 or 20/25 > 45/63
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