Compare 45/3 and 81/30
1st number: 15 0/3, 2nd number: 2 21/30
45/3 is greater than 81/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
45/3 = 45 × 10/3 × 10 = 450/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
81/30 = 81 × 1/30 × 1 = 81/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 450/30 > 81/30 or 45/3 > 81/30
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