Compare 20/16 and 1/21
1st number: 1 4/16, 2nd number: 1/21
20/16 is greater than 1/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
20/16 = 20 × 21/16 × 21 = 420/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
1/21 = 1 × 16/21 × 16 = 16/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 420/336 > 16/336 or 20/16 > 1/21
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