Compare 81/21 and 3/16
1st number: 3 18/21, 2nd number: 3/16
81/21 is greater than 3/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
81/21 = 81 × 16/21 × 16 = 1296/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
3/16 = 3 × 21/16 × 21 = 63/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1296/336 > 63/336 or 81/21 > 3/16
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