Compare 18/40 and 20/9
1st number: 18/40, 2nd number: 2 2/9
18/40 is smaller than 20/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
18/40 = 18 × 9/40 × 9 = 162/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
20/9 = 20 × 40/9 × 40 = 800/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/360 < 800/360 or 18/40 < 20/9
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