Compare 80/12 and 21/9
1st number: 6 8/12, 2nd number: 2 3/9
80/12 is greater than 21/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
80/12 = 80 × 3/12 × 3 = 240/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
21/9 = 21 × 4/9 × 4 = 84/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 240/36 > 84/36 or 80/12 > 21/9
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