Compare 81/4 and 30/9
1st number: 20 1/4, 2nd number: 3 3/9
81/4 is greater than 30/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
81/4 = 81 × 9/4 × 9 = 729/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
30/9 = 30 × 4/9 × 4 = 120/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 729/36 > 120/36 or 81/4 > 30/9
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