Compare 3/80 and 30/18
1st number: 3/80, 2nd number: 1 12/18
3/80 is smaller than 30/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
3/80 = 3 × 9/80 × 9 = 27/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
30/18 = 30 × 40/18 × 40 = 1200/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 27/720 < 1200/720 or 3/80 < 30/18
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