Compare 84/21 and 30/27
1st number: 4 0/21, 2nd number: 1 3/27
84/21 is greater than 30/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 21 × 9 = 189,
84/21 = 84 × 9/21 × 9 = 756/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
30/27 = 30 × 7/27 × 7 = 210/189 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 756/189 > 210/189 or 84/21 > 30/27
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