Compare 81/72 and 10/7
1st number: 1 9/72, 2nd number: 1 3/7
81/72 is smaller than 10/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
81/72 = 81 × 7/72 × 7 = 567/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
10/7 = 10 × 72/7 × 72 = 720/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/504 < 720/504 or 81/72 < 10/7
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