Compare 20/25 and 7/18
20/25 is greater than 7/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
20/25 = 20 × 18/25 × 18 = 360/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
7/18 = 7 × 25/18 × 25 = 175/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/450 > 175/450 or 20/25 > 7/18
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