Compare 20/14 and 81/5
1st number: 1 6/14, 2nd number: 16 1/5
20/14 is smaller than 81/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
20/14 = 20 × 5/14 × 5 = 100/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
81/5 = 81 × 14/5 × 14 = 1134/70 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 100/70 < 1134/70 or 20/14 < 81/5
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