Compare 40/20 and 18/5
1st number: 2 0/20, 2nd number: 3 3/5
40/20 is smaller than 18/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
40/20 = 40 × 1/20 × 1 = 40/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
18/5 = 18 × 4/5 × 4 = 72/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/20 < 72/20 or 40/20 < 18/5
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