Compare 75/21 and 90/16
1st number: 3 12/21, 2nd number: 5 10/16
75/21 is smaller than 90/16
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,
75/21 = 75 × 16/21 × 16 = 1200/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
90/16 = 90 × 21/16 × 21 = 1890/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1200/336 < 1890/336 or 75/21 < 90/16
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