Compare 15/10 and 30/81
1st number: 1 5/10, 2nd number: 30/81
15/10 is greater than 30/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
15/10 = 15 × 81/10 × 81 = 1215/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
30/81 = 30 × 10/81 × 10 = 300/810 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1215/810 > 300/810 or 15/10 > 30/81
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