Compare 81/70 and 7/81
1st number: 1 11/70, 2nd number: 7/81
81/70 is greater than 7/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 81 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 70 × 81 = 5670,
81/70 = 81 × 81/70 × 81 = 6561/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
7/81 = 7 × 70/81 × 70 = 490/5670 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 6561/5670 > 490/5670 or 81/70 > 7/81
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