Compare 18/25 and 20/63
18/25 is greater than 20/63
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,
18/25 = 18 × 63/25 × 63 = 1134/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
20/63 = 20 × 25/63 × 25 = 500/1575 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1134/1575 > 500/1575 or 18/25 > 20/63
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