Compare 28/75 and 72/84
28/75 is smaller than 72/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
28/75 = 28 × 28/75 × 28 = 784/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
72/84 = 72 × 25/84 × 25 = 1800/2100 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 784/2100 < 1800/2100 or 28/75 < 72/84
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