Compare 81/30 and 15/49
1st number: 2 21/30, 2nd number: 15/49
81/30 is greater than 15/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
81/30 = 81 × 49/30 × 49 = 3969/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
15/49 = 15 × 30/49 × 30 = 450/1470 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3969/1470 > 450/1470 or 81/30 > 15/49
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