Compare 15/8 and 30/81
1st number: 1 7/8, 2nd number: 30/81
15/8 is greater than 30/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 8 × 81 = 648,
15/8 = 15 × 81/8 × 81 = 1215/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
30/81 = 30 × 8/81 × 8 = 240/648 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1215/648 > 240/648 or 15/8 > 30/81
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