Compare 72/16 and 80/21
1st number: 4 8/16, 2nd number: 3 17/21
72/16 is greater than 80/21
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,
72/16 = 72 × 21/16 × 21 = 1512/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
80/21 = 80 × 16/21 × 16 = 1280/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1512/336 > 1280/336 or 72/16 > 80/21
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