Compare 42/5 and 81/12
1st number: 8 2/5, 2nd number: 6 9/12
42/5 is greater than 81/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
42/5 = 42 × 12/5 × 12 = 504/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
81/12 = 81 × 5/12 × 5 = 405/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 504/60 > 405/60 or 42/5 > 81/12
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