Compare 81/10 and 30/9
1st number: 8 1/10, 2nd number: 3 3/9
81/10 is greater than 30/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
81/10 = 81 × 9/10 × 9 = 729/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
30/9 = 30 × 10/9 × 10 = 300/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 729/90 > 300/90 or 81/10 > 30/9
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