Compare 9/15 and 80/18
1st number: 9/15, 2nd number: 4 8/18
9/15 is smaller than 80/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
9/15 = 9 × 6/15 × 6 = 54/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
80/18 = 80 × 5/18 × 5 = 400/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/90 < 400/90 or 9/15 < 80/18
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