Compare 18/9 and 80/10
1st number: 2 0/9, 2nd number: 8 0/10
18/9 is smaller than 80/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
80/10 = 80 × 9/10 × 9 = 720/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/90 < 720/90 or 18/9 < 80/10
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