Compare 40/20 and 15/18
1st number: 2 0/20, 2nd number: 15/18
40/20 is greater than 15/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
40/20 = 40 × 9/20 × 9 = 360/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
15/18 = 15 × 10/18 × 10 = 150/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/180 > 150/180 or 40/20 > 15/18
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