Compare 20/10 and 81/12
1st number: 2 0/10, 2nd number: 6 9/12
20/10 is smaller than 81/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
20/10 = 20 × 6/10 × 6 = 120/60 - 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
- 120/60 < 405/60 or 20/10 < 81/12
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