Compare 2/30 and 7/81
2/30 is smaller than 7/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
2/30 = 2 × 27/30 × 27 = 54/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
7/81 = 7 × 10/81 × 10 = 70/810 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/810 < 70/810 or 2/30 < 7/81
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