Compare 18/9 and 84/15
1st number: 2 0/9, 2nd number: 5 9/15
18/9 is smaller than 84/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
18/9 = 18 × 5/9 × 5 = 90/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
84/15 = 84 × 3/15 × 3 = 252/45 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/45 < 252/45 or 18/9 < 84/15
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