Compare 72/21 and 7/16
1st number: 3 9/21, 2nd number: 7/16
72/21 is greater than 7/16
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,
72/21 = 72 × 16/21 × 16 = 1152/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
7/16 = 7 × 21/16 × 21 = 147/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1152/336 > 147/336 or 72/21 > 7/16
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