Compare 90/30 and 12/81
1st number: 3 0/30, 2nd number: 12/81
90/30 is greater than 12/81
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,
90/30 = 90 × 27/30 × 27 = 2430/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
12/81 = 12 × 10/81 × 10 = 120/810 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2430/810 > 120/810 or 90/30 > 12/81
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