Compare 30/4 and 9/81
1st number: 7 2/4, 2nd number: 9/81
30/4 is greater than 9/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
30/4 = 30 × 81/4 × 81 = 2430/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
9/81 = 9 × 4/81 × 4 = 36/324 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2430/324 > 36/324 or 30/4 > 9/81
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