Compare 18/24 and 21/5
1st number: 18/24, 2nd number: 4 1/5
18/24 is smaller than 21/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 5 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
18/24 = 18 × 5/24 × 5 = 90/120 - Likewise, for the 2nd fraction, since 5 × 24 = 120,
21/5 = 21 × 24/5 × 24 = 504/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/120 < 504/120 or 18/24 < 21/5
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