Compare 30/81 and 48/20
1st number: 30/81, 2nd number: 2 8/20
30/81 is smaller than 48/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 20 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
30/81 = 30 × 20/81 × 20 = 600/1620 - Likewise, for the 2nd fraction, since 20 × 81 = 1620,
48/20 = 48 × 81/20 × 81 = 3888/1620 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 600/1620 < 3888/1620 or 30/81 < 48/20
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