Compare 21/9 and 81/50
1st number: 2 3/9, 2nd number: 1 31/50
21/9 is greater than 81/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 9 × 50 = 450,
21/9 = 21 × 50/9 × 50 = 1050/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
81/50 = 81 × 9/50 × 9 = 729/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1050/450 > 729/450 or 21/9 > 81/50
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