Compare 30/2 and 81/5
1st number: 15 0/2, 2nd number: 16 1/5
30/2 is smaller than 81/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
30/2 = 30 × 5/2 × 5 = 150/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
81/5 = 81 × 2/5 × 2 = 162/10 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/10 < 162/10 or 30/2 < 81/5
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