Compare 72/75 and 9/20
72/75 is greater than 9/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
72/75 = 72 × 4/75 × 4 = 288/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
9/20 = 9 × 15/20 × 15 = 135/300 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 288/300 > 135/300 or 72/75 > 9/20
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