Compare 9/28 and 81/72
1st number: 9/28, 2nd number: 1 9/72
9/28 is smaller than 81/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
9/28 = 9 × 18/28 × 18 = 162/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
81/72 = 81 × 7/72 × 7 = 567/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/504 < 567/504 or 9/28 < 81/72
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