Compare 50/18 and 81/30
1st number: 2 14/18, 2nd number: 2 21/30
50/18 is greater than 81/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
50/18 = 50 × 5/18 × 5 = 250/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
81/30 = 81 × 3/30 × 3 = 243/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 250/90 > 243/90 or 50/18 > 81/30
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