Compare 20/16 and 81/10
1st number: 1 4/16, 2nd number: 8 1/10
20/16 is smaller than 81/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
20/16 = 20 × 5/16 × 5 = 100/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
81/10 = 81 × 8/10 × 8 = 648/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 100/80 < 648/80 or 20/16 < 81/10
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