Compare 81/12 and 30/80
1st number: 6 9/12, 2nd number: 30/80
81/12 is greater than 30/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
81/12 = 81 × 20/12 × 20 = 1620/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
30/80 = 30 × 3/80 × 3 = 90/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1620/240 > 90/240 or 81/12 > 30/80
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