Compare 2/5 and 9/40
2/5 is greater than 9/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
2/5 = 2 × 8/5 × 8 = 16/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
9/40 = 9 × 1/40 × 1 = 9/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 16/40 > 9/40 or 2/5 > 9/40
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